Finding the Fourth Proportional to 84,624.99, 126,937.61 and 21,445.12
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Solution
The fourth proportional to 84,624.99, 126,937.61 and 21,445.12 is: 32,167.71
Step by Step Solution
- Step 1: Write the proportion equation
84,624.99 : 126,937.61 = 21,445.12 : x - Step 2: Convert to fraction form
84,624.99/126,937.61 = 21,445.12/x - Step 3: Cross multiply
84,624.99x = 126,937.61 × 21,445.12 - Step 4: Simplify right side
84,624.99x = 2,722,192,278.96 - Step 5: Solve for x
x = 2,722,192,278.96/84,624.99 - Step 6: Final answer
x = 32,167.71
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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.