Finding the Fourth Proportional to 62.72, 93.45 and 60.09
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Solution
The fourth proportional to 62.72, 93.45 and 60.09 is: 89.53
Step by Step Solution
- Step 1: Write the proportion equation
62.72 : 93.45 = 60.09 : x - Step 2: Convert to fraction form
62.72/93.45 = 60.09/x - Step 3: Cross multiply
62.72x = 93.45 × 60.09 - Step 4: Simplify right side
62.72x = 5,615.81 - Step 5: Solve for x
x = 5,615.81/62.72 - Step 6: Final answer
x = 89.53
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.