Home / 63,781.20-95,671.80-22,218.48

Finding the Fourth Proportional to 63,781.20, 95,671.80 and 22,218.48

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Solution

The fourth proportional to 63,781.20, 95,671.80 and 22,218.48 is: 33,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,781.20 : 95,671.80 = 22,218.48 : x
  2. Step 2: Convert to fraction form
    63,781.20/95,671.80 = 22,218.48/x
  3. Step 3: Cross multiply
    63,781.20x = 95,671.80 × 22,218.48
  4. Step 4: Simplify right side
    63,781.20x = 2,125,681,974.86
  5. Step 5: Solve for x
    x = 2,125,681,974.86/63,781.20
  6. Step 6: Final answer
    x = 33,327.72

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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.