Home / 49,121.74-67,796.20-28,983.61

Finding the Fourth Proportional to 49,121.74, 67,796.20 and 28,983.61

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Solution

The fourth proportional to 49,121.74, 67,796.20 and 28,983.61 is: 40,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,121.74 : 67,796.20 = 28,983.61 : x
  2. Step 2: Convert to fraction form
    49,121.74/67,796.20 = 28,983.61/x
  3. Step 3: Cross multiply
    49,121.74x = 67,796.20 × 28,983.61
  4. Step 4: Simplify right side
    49,121.74x = 1,964,978,281.30
  5. Step 5: Solve for x
    x = 1,964,978,281.30/49,121.74
  6. Step 6: Final answer
    x = 40,002.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.