However, there is really no clear daleel from the Qur an or Sunnah to specify any number. The jurists have given these number on the basis of their own interpretation and ijtihad. It is better to have a bigger number for Jumu ah prayer, but it is permissible even with three people beside the Imam. A woman reached the age of menopause, but she still has her menses because she is taking some harmons. There is not special age of menopause.
Some women have earlier menopause and some continue having menses for a longer time.
But if the blood is off and on unlike her previous habit or if the blood is continuous and does not stop then this is considered the blood of Istihadah and she has to make a fresh Wudu for every prayer and should observe her prayers and should observe fasts. I understand that there is no Zakat on the personal home that one uses for residence. InshaAllah, when you give Zakat on this money, Allah will bless you and will give you more to be able to buy your home sooner. Whatever good you give, shall be rendered back to you, and you shall not be dealt with unjustly.