Home / 57,532.85-86,319.99-20,098.43

Finding the Fourth Proportional to 57,532.85, 86,319.99 and 20,098.43

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Solution

The fourth proportional to 57,532.85, 86,319.99 and 20,098.43 is: 30,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,532.85 : 86,319.99 = 20,098.43 : x
  2. Step 2: Convert to fraction form
    57,532.85/86,319.99 = 20,098.43/x
  3. Step 3: Cross multiply
    57,532.85x = 86,319.99 × 20,098.43
  4. Step 4: Simplify right side
    57,532.85x = 1,734,895,845.02
  5. Step 5: Solve for x
    x = 1,734,895,845.02/57,532.85
  6. Step 6: Final answer
    x = 30,154.88

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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.