Home / 82,608.20-123,917.02-23,439.20

Finding the Fourth Proportional to 82,608.20, 123,917.02 and 23,439.20

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Solution

The fourth proportional to 82,608.20, 123,917.02 and 23,439.20 is: 35,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,608.20 : 123,917.02 = 23,439.20 : x
  2. Step 2: Convert to fraction form
    82,608.20/123,917.02 = 23,439.20/x
  3. Step 3: Cross multiply
    82,608.20x = 123,917.02 × 23,439.20
  4. Step 4: Simplify right side
    82,608.20x = 2,904,515,815.18
  5. Step 5: Solve for x
    x = 2,904,515,815.18/82,608.20
  6. Step 6: Final answer
    x = 35,160.14

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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.