Finding the Fourth Proportional to 83,125.68, 114,711.36 and 45,397.44
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Solution
The fourth proportional to 83,125.68, 114,711.36 and 45,397.44 is: 62,647.33
Step by Step Solution
- Step 1: Write the proportion equation
83,125.68 : 114,711.36 = 45,397.44 : x - Step 2: Convert to fraction form
83,125.68/114,711.36 = 45,397.44/x - Step 3: Cross multiply
83,125.68x = 114,711.36 × 45,397.44 - Step 4: Simplify right side
83,125.68x = 5,207,602,082.92 - Step 5: Solve for x
x = 5,207,602,082.92/83,125.68 - Step 6: Final answer
x = 62,647.33
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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.