Finding the Fourth Proportional to 71,722.44, 107,584.20 and 24,975.18
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Solution
The fourth proportional to 71,722.44, 107,584.20 and 24,975.18 is: 37,462.96
Step by Step Solution
- Step 1: Write the proportion equation
71,722.44 : 107,584.20 = 24,975.18 : x - Step 2: Convert to fraction form
71,722.44/107,584.20 = 24,975.18/x - Step 3: Cross multiply
71,722.44x = 107,584.20 × 24,975.18 - Step 4: Simplify right side
71,722.44x = 2,686,934,760.16 - Step 5: Solve for x
x = 2,686,934,760.16/71,722.44 - Step 6: Final answer
x = 37,462.96
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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.