Home / 57,468.29-86,155.85-25,855.20

Finding the Fourth Proportional to 57,468.29, 86,155.85 and 25,855.20

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Solution

The fourth proportional to 57,468.29, 86,155.85 and 25,855.20 is: 38,761.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,468.29 : 86,155.85 = 25,855.20 : x
  2. Step 2: Convert to fraction form
    57,468.29/86,155.85 = 25,855.20/x
  3. Step 3: Cross multiply
    57,468.29x = 86,155.85 × 25,855.20
  4. Step 4: Simplify right side
    57,468.29x = 2,227,576,797.56
  5. Step 5: Solve for x
    x = 2,227,576,797.56/57,468.29
  6. Step 6: Final answer
    x = 38,761.85

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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.