Finding the Fourth Proportional to 62.48, 86.10 and 60.09
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Solution
The fourth proportional to 62.48, 86.10 and 60.09 is: 82.79
Step by Step Solution
- Step 1: Write the proportion equation
62.48 : 86.10 = 60.09 : x - Step 2: Convert to fraction form
62.48/86.10 = 60.09/x - Step 3: Cross multiply
62.48x = 86.10 × 60.09 - Step 4: Simplify right side
62.48x = 5,173.20 - Step 5: Solve for x
x = 5,173.20/62.48 - Step 6: Final answer
x = 82.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.