Finding the Fourth Proportional to 83,842.90, 125,737.62 and 27,672.56
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Solution
The fourth proportional to 83,842.90, 125,737.62 and 27,672.56 is: 41,500.02
Step by Step Solution
- Step 1: Write the proportion equation
83,842.90 : 125,737.62 = 27,672.56 : x - Step 2: Convert to fraction form
83,842.90/125,737.62 = 27,672.56/x - Step 3: Cross multiply
83,842.90x = 125,737.62 × 27,672.56 - Step 4: Simplify right side
83,842.90x = 3,479,481,833.71 - Step 5: Solve for x
x = 3,479,481,833.71/83,842.90 - Step 6: Final answer
x = 41,500.02
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1.5x scale
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.