Finding the Fourth Proportional to 88,001.18, 121,432.62 and 54,011.08
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Solution
The fourth proportional to 88,001.18, 121,432.62 and 54,011.08 is: 74,529.76
Step by Step Solution
- Step 1: Write the proportion equation
88,001.18 : 121,432.62 = 54,011.08 : x - Step 2: Convert to fraction form
88,001.18/121,432.62 = 54,011.08/x - Step 3: Cross multiply
88,001.18x = 121,432.62 × 54,011.08 - Step 4: Simplify right side
88,001.18x = 6,558,706,953.43 - Step 5: Solve for x
x = 6,558,706,953.43/88,001.18 - Step 6: Final answer
x = 74,529.76
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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.