Finding the Fourth Proportional to 114.50, 171.76 and 29
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Solution
The fourth proportional to 114.50, 171.76 and 29 is: 43.50
Step by Step Solution
- Step 1: Write the proportion equation
114.50 : 171.76 = 29 : x - Step 2: Convert to fraction form
114.50/171.76 = 29/x - Step 3: Cross multiply
114.50x = 171.76 × 29 - Step 4: Simplify right side
114.50x = 4,981.04 - Step 5: Solve for x
x = 4,981.04/114.50 - Step 6: Final answer
x = 43.50
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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.