Home / 48,131.92-72,197.07-20,067.04

Finding the Fourth Proportional to 48,131.92, 72,197.07 and 20,067.04

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Solution

The fourth proportional to 48,131.92, 72,197.07 and 20,067.04 is: 30,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,131.92 : 72,197.07 = 20,067.04 : x
  2. Step 2: Convert to fraction form
    48,131.92/72,197.07 = 20,067.04/x
  3. Step 3: Cross multiply
    48,131.92x = 72,197.07 × 20,067.04
  4. Step 4: Simplify right side
    48,131.92x = 1,448,781,491.57
  5. Step 5: Solve for x
    x = 1,448,781,491.57/48,131.92
  6. Step 6: Final answer
    x = 30,100.22

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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.