Finding the Fourth Proportional to 77,293.11, 115,983.50 and 32,915.23
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Solution
The fourth proportional to 77,293.11, 115,983.50 and 32,915.23 is: 49,391.51
Step by Step Solution
- Step 1: Write the proportion equation
77,293.11 : 115,983.50 = 32,915.23 : x - Step 2: Convert to fraction form
77,293.11/115,983.50 = 32,915.23/x - Step 3: Cross multiply
77,293.11x = 115,983.50 × 32,915.23 - Step 4: Simplify right side
77,293.11x = 3,817,623,414.13 - Step 5: Solve for x
x = 3,817,623,414.13/77,293.11 - Step 6: Final answer
x = 49,391.51
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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.