Finding the Fourth Proportional to 83,369.92, 115,050.49 and 45,644.17
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Solution
The fourth proportional to 83,369.92, 115,050.49 and 45,644.17 is: 62,988.95
Step by Step Solution
- Step 1: Write the proportion equation
83,369.92 : 115,050.49 = 45,644.17 : x - Step 2: Convert to fraction form
83,369.92/115,050.49 = 45,644.17/x - Step 3: Cross multiply
83,369.92x = 115,050.49 × 45,644.17 - Step 4: Simplify right side
83,369.92x = 5,251,384,124.14 - Step 5: Solve for x
x = 5,251,384,124.14/83,369.92 - Step 6: Final answer
x = 62,988.95
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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.