Finding the Fourth Proportional to 75,575.39, 113,375.97 and 31,177.85
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Solution
The fourth proportional to 75,575.39, 113,375.97 and 31,177.85 is: 46,772.09
Step by Step Solution
- Step 1: Write the proportion equation
75,575.39 : 113,375.97 = 31,177.85 : x - Step 2: Convert to fraction form
75,575.39/113,375.97 = 31,177.85/x - Step 3: Cross multiply
75,575.39x = 113,375.97 × 31,177.85 - Step 4: Simplify right side
75,575.39x = 3,534,818,419.38 - Step 5: Solve for x
x = 3,534,818,419.38/75,575.39 - Step 6: Final answer
x = 46,772.09
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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.