Finding the Fourth Proportional to 96,635.22, 133,356.13 and 54,193.75
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Solution
The fourth proportional to 96,635.22, 133,356.13 and 54,193.75 is: 74,787.11
Step by Step Solution
- Step 1: Write the proportion equation
96,635.22 : 133,356.13 = 54,193.75 : x - Step 2: Convert to fraction form
96,635.22/133,356.13 = 54,193.75/x - Step 3: Cross multiply
96,635.22x = 133,356.13 × 54,193.75 - Step 4: Simplify right side
96,635.22x = 7,227,068,770.19 - Step 5: Solve for x
x = 7,227,068,770.19/96,635.22 - Step 6: Final answer
x = 74,787.11
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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.