Question

3. Find the value of x, if
(a) 8, X, X, 50 are in proportion.
(b) 36, 90, 90, x are in proportion​

Answer 1

Answer:

a) x=20

b) x=36

Step-by-step explanation:

product of mean = product of extreme

8*50=x*x

x^2=√400

a) x= 20

b) x= 36*90/90

x=36