Home / 82,301.36-123,442.68-23,139.44

Finding the Fourth Proportional to 82,301.36, 123,442.68 and 23,139.44

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Solution

The fourth proportional to 82,301.36, 123,442.68 and 23,139.44 is: 34,706.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,301.36 : 123,442.68 = 23,139.44 : x
  2. Step 2: Convert to fraction form
    82,301.36/123,442.68 = 23,139.44/x
  3. Step 3: Cross multiply
    82,301.36x = 123,442.68 × 23,139.44
  4. Step 4: Simplify right side
    82,301.36x = 2,856,394,487.30
  5. Step 5: Solve for x
    x = 2,856,394,487.30/82,301.36
  6. Step 6: Final answer
    x = 34,706.53

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1.5x scale

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.