Finding the Fourth Proportional to 58.75, 87.99 and 49.66
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Solution
The fourth proportional to 58.75, 87.99 and 49.66 is: 74.38
Step by Step Solution
- Step 1: Write the proportion equation
58.75 : 87.99 = 49.66 : x - Step 2: Convert to fraction form
58.75/87.99 = 49.66/x - Step 3: Cross multiply
58.75x = 87.99 × 49.66 - Step 4: Simplify right side
58.75x = 4,369.58 - Step 5: Solve for x
x = 4,369.58/58.75 - Step 6: Final answer
x = 74.38
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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.