Home / 124,708.20-187,062.30-49,839.90

Finding the Fourth Proportional to 124,708.20, 187,062.30 and 49,839.90

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Solution

The fourth proportional to 124,708.20, 187,062.30 and 49,839.90 is: 74,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,708.20 : 187,062.30 = 49,839.90 : x
  2. Step 2: Convert to fraction form
    124,708.20/187,062.30 = 49,839.90/x
  3. Step 3: Cross multiply
    124,708.20x = 187,062.30 × 49,839.90
  4. Step 4: Simplify right side
    124,708.20x = 9,323,166,325.77
  5. Step 5: Solve for x
    x = 9,323,166,325.77/124,708.20
  6. Step 6: Final answer
    x = 74,759.85

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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.