Home / 73,542.20-109,481.65-73,104.80

Finding the Fourth Proportional to 73,542.20, 109,481.65 and 73,104.80

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Solution

The fourth proportional to 73,542.20, 109,481.65 and 73,104.80 is: 108,830.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,542.20 : 109,481.65 = 73,104.80 : x
  2. Step 2: Convert to fraction form
    73,542.20/109,481.65 = 73,104.80/x
  3. Step 3: Cross multiply
    73,542.20x = 109,481.65 × 73,104.80
  4. Step 4: Simplify right side
    73,542.20x = 8,003,634,126.92
  5. Step 5: Solve for x
    x = 8,003,634,126.92/73,542.20
  6. Step 6: Final answer
    x = 108,830.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.