Finding the Fourth Proportional to 88,803.68, 132,557.69 and 77,593.48
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Solution
The fourth proportional to 88,803.68, 132,557.69 and 77,593.48 is: 115,824.17
Step by Step Solution
- Step 1: Write the proportion equation
88,803.68 : 132,557.69 = 77,593.48 : x - Step 2: Convert to fraction form
88,803.68/132,557.69 = 77,593.48/x - Step 3: Cross multiply
88,803.68x = 132,557.69 × 77,593.48 - Step 4: Simplify right side
88,803.68x = 10,285,612,330.45 - Step 5: Solve for x
x = 10,285,612,330.45/88,803.68 - Step 6: Final answer
x = 115,824.17
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.