Home / 124,712.20-187,068.30-49,843.90

Finding the Fourth Proportional to 124,712.20, 187,068.30 and 49,843.90

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Solution

The fourth proportional to 124,712.20, 187,068.30 and 49,843.90 is: 74,765.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,712.20 : 187,068.30 = 49,843.90 : x
  2. Step 2: Convert to fraction form
    124,712.20/187,068.30 = 49,843.90/x
  3. Step 3: Cross multiply
    124,712.20x = 187,068.30 × 49,843.90
  4. Step 4: Simplify right side
    124,712.20x = 9,324,213,638.37
  5. Step 5: Solve for x
    x = 9,324,213,638.37/124,712.20
  6. Step 6: Final answer
    x = 74,765.85

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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.