Home / 73,821.20-110,742.60-23,892.80

Finding the Fourth Proportional to 73,821.20, 110,742.60 and 23,892.80

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Solution

The fourth proportional to 73,821.20, 110,742.60 and 23,892.80 is: 35,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,821.20 : 110,742.60 = 23,892.80 : x
  2. Step 2: Convert to fraction form
    73,821.20/110,742.60 = 23,892.80/x
  3. Step 3: Cross multiply
    73,821.20x = 110,742.60 × 23,892.80
  4. Step 4: Simplify right side
    73,821.20x = 2,645,950,793.28
  5. Step 5: Solve for x
    x = 2,645,950,793.28/73,821.20
  6. Step 6: Final answer
    x = 35,842.70

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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.