Finding the Fourth Proportional to 75,841.01, 113,672.92 and 57,060.70
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Solution
The fourth proportional to 75,841.01, 113,672.92 and 57,060.70 is: 85,524.39
Step by Step Solution
- Step 1: Write the proportion equation
75,841.01 : 113,672.92 = 57,060.70 : x - Step 2: Convert to fraction form
75,841.01/113,672.92 = 57,060.70/x - Step 3: Cross multiply
75,841.01x = 113,672.92 × 57,060.70 - Step 4: Simplify right side
75,841.01x = 6,486,255,532.58 - Step 5: Solve for x
x = 6,486,255,532.58/75,841.01 - Step 6: Final answer
x = 85,524.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.