Finding the Fourth Proportional to 88,747.75, 122,472.89 and 48,461.99
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Solution
The fourth proportional to 88,747.75, 122,472.89 and 48,461.99 is: 66,878.09
Step by Step Solution
- Step 1: Write the proportion equation
88,747.75 : 122,472.89 = 48,461.99 : x - Step 2: Convert to fraction form
88,747.75/122,472.89 = 48,461.99/x - Step 3: Cross multiply
88,747.75x = 122,472.89 × 48,461.99 - Step 4: Simplify right side
88,747.75x = 5,935,280,091.61 - Step 5: Solve for x
x = 5,935,280,091.61/88,747.75 - Step 6: Final answer
x = 66,878.09
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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.