Home / 82,882.26-124,294.11-26,720.10

Finding the Fourth Proportional to 82,882.26, 124,294.11 and 26,720.10

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Solution

The fourth proportional to 82,882.26, 124,294.11 and 26,720.10 is: 40,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,882.26 : 124,294.11 = 26,720.10 : x
  2. Step 2: Convert to fraction form
    82,882.26/124,294.11 = 26,720.10/x
  3. Step 3: Cross multiply
    82,882.26x = 124,294.11 × 26,720.10
  4. Step 4: Simplify right side
    82,882.26x = 3,321,151,048.61
  5. Step 5: Solve for x
    x = 3,321,151,048.61/82,882.26
  6. Step 6: Final answer
    x = 40,070.71

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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.