Finding the Fourth Proportional to 97,456.75, 134,490.39 and 52,744.75
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Solution
The fourth proportional to 97,456.75, 134,490.39 and 52,744.75 is: 72,787.80
Step by Step Solution
- Step 1: Write the proportion equation
97,456.75 : 134,490.39 = 52,744.75 : x - Step 2: Convert to fraction form
97,456.75/134,490.39 = 52,744.75/x - Step 3: Cross multiply
97,456.75x = 134,490.39 × 52,744.75 - Step 4: Simplify right side
97,456.75x = 7,093,661,997.95 - Step 5: Solve for x
x = 7,093,661,997.95/97,456.75 - Step 6: Final answer
x = 72,787.80
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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.