Home / 83,439.10-125,172.30-27,262.90

Finding the Fourth Proportional to 83,439.10, 125,172.30 and 27,262.90

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Solution

The fourth proportional to 83,439.10, 125,172.30 and 27,262.90 is: 40,898.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,439.10 : 125,172.30 = 27,262.90 : x
  2. Step 2: Convert to fraction form
    83,439.10/125,172.30 = 27,262.90/x
  3. Step 3: Cross multiply
    83,439.10x = 125,172.30 × 27,262.90
  4. Step 4: Simplify right side
    83,439.10x = 3,412,559,897.67
  5. Step 5: Solve for x
    x = 3,412,559,897.67/83,439.10
  6. Step 6: Final answer
    x = 40,898.81

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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.