Finding the Fourth Proportional to 71,752.41, 107,286.75 and 65,478.33
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Solution
The fourth proportional to 71,752.41, 107,286.75 and 65,478.33 is: 97,905.52
Step by Step Solution
- Step 1: Write the proportion equation
71,752.41 : 107,286.75 = 65,478.33 : x - Step 2: Convert to fraction form
71,752.41/107,286.75 = 65,478.33/x - Step 3: Cross multiply
71,752.41x = 107,286.75 × 65,478.33 - Step 4: Simplify right side
71,752.41x = 7,024,957,221.13 - Step 5: Solve for x
x = 7,024,957,221.13/71,752.41 - Step 6: Final answer
x = 97,905.52
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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.