Finding the Fourth Proportional to 91,264.77, 136,564.09 and 53,842.77
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Solution
The fourth proportional to 91,264.77, 136,564.09 and 53,842.77 is: 80,567.66
Step by Step Solution
- Step 1: Write the proportion equation
91,264.77 : 136,564.09 = 53,842.77 : x - Step 2: Convert to fraction form
91,264.77/136,564.09 = 53,842.77/x - Step 3: Cross multiply
91,264.77x = 136,564.09 × 53,842.77 - Step 4: Simplify right side
91,264.77x = 7,352,988,888.13 - Step 5: Solve for x
x = 7,352,988,888.13/91,264.77 - Step 6: Final answer
x = 80,567.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.