Finding the Fourth Proportional to 99,127.98, 136,792.92 and 53,804.99
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Solution
The fourth proportional to 99,127.98, 136,792.92 and 53,804.99 is: 74,248.88
Step by Step Solution
- Step 1: Write the proportion equation
99,127.98 : 136,792.92 = 53,804.99 : x - Step 2: Convert to fraction form
99,127.98/136,792.92 = 53,804.99/x - Step 3: Cross multiply
99,127.98x = 136,792.92 × 53,804.99 - Step 4: Simplify right side
99,127.98x = 7,360,141,008.71 - Step 5: Solve for x
x = 7,360,141,008.71/99,127.98 - Step 6: Final answer
x = 74,248.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.