Finding the Fourth Proportional to 83,679.86, 125,493.12 and 27,506.97
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Solution
The fourth proportional to 83,679.86, 125,493.12 and 27,506.97 is: 41,251.69
Step by Step Solution
- Step 1: Write the proportion equation
83,679.86 : 125,493.12 = 27,506.97 : x - Step 2: Convert to fraction form
83,679.86/125,493.12 = 27,506.97/x - Step 3: Cross multiply
83,679.86x = 125,493.12 × 27,506.97 - Step 4: Simplify right side
83,679.86x = 3,451,935,487.05 - Step 5: Solve for x
x = 3,451,935,487.05/83,679.86 - Step 6: Final answer
x = 41,251.69
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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.