Home / 82,257.55-123,435.46-75,565.27

Finding the Fourth Proportional to 82,257.55, 123,435.46 and 75,565.27

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Solution

The fourth proportional to 82,257.55, 123,435.46 and 75,565.27 is: 113,393.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,257.55 : 123,435.46 = 75,565.27 : x
  2. Step 2: Convert to fraction form
    82,257.55/123,435.46 = 75,565.27/x
  3. Step 3: Cross multiply
    82,257.55x = 123,435.46 × 75,565.27
  4. Step 4: Simplify right side
    82,257.55x = 9,327,433,862.47
  5. Step 5: Solve for x
    x = 9,327,433,862.47/82,257.55
  6. Step 6: Final answer
    x = 113,393.04

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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.