Home / 57,532.89-86,320.04-20,098.47

Finding the Fourth Proportional to 57,532.89, 86,320.04 and 20,098.47

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Solution

The fourth proportional to 57,532.89, 86,320.04 and 20,098.47 is: 30,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,532.89 : 86,320.04 = 20,098.47 : x
  2. Step 2: Convert to fraction form
    57,532.89/86,320.04 = 20,098.47/x
  3. Step 3: Cross multiply
    57,532.89x = 86,320.04 × 20,098.47
  4. Step 4: Simplify right side
    57,532.89x = 1,734,900,633.85
  5. Step 5: Solve for x
    x = 1,734,900,633.85/57,532.89
  6. Step 6: Final answer
    x = 30,154.94

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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.