Home / 83,013.26-124,535.90-26,867.30

Finding the Fourth Proportional to 83,013.26, 124,535.90 and 26,867.30

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Solution

The fourth proportional to 83,013.26, 124,535.90 and 26,867.30 is: 40,306.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,013.26 : 124,535.90 = 26,867.30 : x
  2. Step 2: Convert to fraction form
    83,013.26/124,535.90 = 26,867.30/x
  3. Step 3: Cross multiply
    83,013.26x = 124,535.90 × 26,867.30
  4. Step 4: Simplify right side
    83,013.26x = 3,345,943,563.07
  5. Step 5: Solve for x
    x = 3,345,943,563.07/83,013.26
  6. Step 6: Final answer
    x = 40,306.13

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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.