Home / 73,826.80-110,740.20-38,761.90

Finding the Fourth Proportional to 73,826.80, 110,740.20 and 38,761.90

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Solution

The fourth proportional to 73,826.80, 110,740.20 and 38,761.90 is: 58,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,826.80 : 110,740.20 = 38,761.90 : x
  2. Step 2: Convert to fraction form
    73,826.80/110,740.20 = 38,761.90/x
  3. Step 3: Cross multiply
    73,826.80x = 110,740.20 × 38,761.90
  4. Step 4: Simplify right side
    73,826.80x = 4,292,500,558.38
  5. Step 5: Solve for x
    x = 4,292,500,558.38/73,826.80
  6. Step 6: Final answer
    x = 58,142.85

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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.