The ratio of two values in each column in the table below is equivalent. What is the value of $x$?

A. $54$

B. $15$

C. $9$

D. $72$

E. $45$

4 | 6 | 9 | 10 |

36 | $x$ | 81 | 90 |

A. $54$

B. $15$

C. $9$

D. $72$

E. $45$