Home / 72,149.20-108,227.04-27,760.16

Finding the Fourth Proportional to 72,149.20, 108,227.04 and 27,760.16

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Solution

The fourth proportional to 72,149.20, 108,227.04 and 27,760.16 is: 41,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,149.20 : 108,227.04 = 27,760.16 : x
  2. Step 2: Convert to fraction form
    72,149.20/108,227.04 = 27,760.16/x
  3. Step 3: Cross multiply
    72,149.20x = 108,227.04 × 27,760.16
  4. Step 4: Simplify right side
    72,149.20x = 3,004,399,946.73
  5. Step 5: Solve for x
    x = 3,004,399,946.73/72,149.20
  6. Step 6: Final answer
    x = 41,641.49

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1.5x scale

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.