Finding the Fourth Proportional to 75,613.11, 113,419.92 and 22,305.74
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Solution
The fourth proportional to 75,613.11, 113,419.92 and 22,305.74 is: 33,458.68
Step by Step Solution
- Step 1: Write the proportion equation
75,613.11 : 113,419.92 = 22,305.74 : x - Step 2: Convert to fraction form
75,613.11/113,419.92 = 22,305.74/x - Step 3: Cross multiply
75,613.11x = 113,419.92 × 22,305.74 - Step 4: Simplify right side
75,613.11x = 2,529,914,679.24 - Step 5: Solve for x
x = 2,529,914,679.24/75,613.11 - Step 6: Final answer
x = 33,458.68
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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.