Finding the Fourth Proportional to 71,927.28, 107,894.16 and 27,542.48
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Solution
The fourth proportional to 71,927.28, 107,894.16 and 27,542.48 is: 41,314.96
Step by Step Solution
- Step 1: Write the proportion equation
71,927.28 : 107,894.16 = 27,542.48 : x - Step 2: Convert to fraction form
71,927.28/107,894.16 = 27,542.48/x - Step 3: Cross multiply
71,927.28x = 107,894.16 × 27,542.48 - Step 4: Simplify right side
71,927.28x = 2,971,672,743.92 - Step 5: Solve for x
x = 2,971,672,743.92/71,927.28 - Step 6: Final answer
x = 41,314.96
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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.