Finding the Fourth Proportional to 73,760.81, 110,543.25 and 29,363.19
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Solution
The fourth proportional to 73,760.81, 110,543.25 and 29,363.19 is: 44,005.79
Step by Step Solution
- Step 1: Write the proportion equation
73,760.81 : 110,543.25 = 29,363.19 : x - Step 2: Convert to fraction form
73,760.81/110,543.25 = 29,363.19/x - Step 3: Cross multiply
73,760.81x = 110,543.25 × 29,363.19 - Step 4: Simplify right side
73,760.81x = 3,245,902,452.97 - Step 5: Solve for x
x = 3,245,902,452.97/73,760.81 - Step 6: Final answer
x = 44,005.79
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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.