Finding the Fourth Proportional to 88,748.25, 122,472.80 and 48,462.09
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Solution
The fourth proportional to 88,748.25, 122,472.80 and 48,462.09 is: 66,877.80
Step by Step Solution
- Step 1: Write the proportion equation
88,748.25 : 122,472.80 = 48,462.09 : x - Step 2: Convert to fraction form
88,748.25/122,472.80 = 48,462.09/x - Step 3: Cross multiply
88,748.25x = 122,472.80 × 48,462.09 - Step 4: Simplify right side
88,748.25x = 5,935,287,613.84 - Step 5: Solve for x
x = 5,935,287,613.84/88,748.25 - Step 6: Final answer
x = 66,877.80
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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.