Home / 57,231.60-85,865.28-25,668.12

Finding the Fourth Proportional to 57,231.60, 85,865.28 and 25,668.12

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Solution

The fourth proportional to 57,231.60, 85,865.28 and 25,668.12 is: 38,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,231.60 : 85,865.28 = 25,668.12 : x
  2. Step 2: Convert to fraction form
    57,231.60/85,865.28 = 25,668.12/x
  3. Step 3: Cross multiply
    57,231.60x = 85,865.28 × 25,668.12
  4. Step 4: Simplify right side
    57,231.60x = 2,204,000,310.87
  5. Step 5: Solve for x
    x = 2,204,000,310.87/57,231.60
  6. Step 6: Final answer
    x = 38,510.20

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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.