Finding the Fourth Proportional to 83,397.87, 115,060.50 and 47,562.12
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Solution
The fourth proportional to 83,397.87, 115,060.50 and 47,562.12 is: 65,619.44
Step by Step Solution
- Step 1: Write the proportion equation
83,397.87 : 115,060.50 = 47,562.12 : x - Step 2: Convert to fraction form
83,397.87/115,060.50 = 47,562.12/x - Step 3: Cross multiply
83,397.87x = 115,060.50 × 47,562.12 - Step 4: Simplify right side
83,397.87x = 5,472,521,308.26 - Step 5: Solve for x
x = 5,472,521,308.26/83,397.87 - Step 6: Final answer
x = 65,619.44
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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.