Finding the Fourth Proportional to 88,731.91, 132,947.53 and 53,597.75
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Solution
The fourth proportional to 88,731.91, 132,947.53 and 53,597.75 is: 80,305.82
Step by Step Solution
- Step 1: Write the proportion equation
88,731.91 : 132,947.53 = 53,597.75 : x - Step 2: Convert to fraction form
88,731.91/132,947.53 = 53,597.75/x - Step 3: Cross multiply
88,731.91x = 132,947.53 × 53,597.75 - Step 4: Simplify right side
88,731.91x = 7,125,688,476.06 - Step 5: Solve for x
x = 7,125,688,476.06/88,731.91 - Step 6: Final answer
x = 80,305.82
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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.