Home / 82,487.12-123,737.62-26,335.24

Finding the Fourth Proportional to 82,487.12, 123,737.62 and 26,335.24

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Solution

The fourth proportional to 82,487.12, 123,737.62 and 26,335.24 is: 39,505.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,487.12 : 123,737.62 = 26,335.24 : x
  2. Step 2: Convert to fraction form
    82,487.12/123,737.62 = 26,335.24/x
  3. Step 3: Cross multiply
    82,487.12x = 123,737.62 × 26,335.24
  4. Step 4: Simplify right side
    82,487.12x = 3,258,659,919.73
  5. Step 5: Solve for x
    x = 3,258,659,919.73/82,487.12
  6. Step 6: Final answer
    x = 39,505.08

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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.