Home / 42,375.62-63,565.86-16,079.78

Finding the Fourth Proportional to 42,375.62, 63,565.86 and 16,079.78

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Solution

The fourth proportional to 42,375.62, 63,565.86 and 16,079.78 is: 24,120.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,375.62 : 63,565.86 = 16,079.78 : x
  2. Step 2: Convert to fraction form
    42,375.62/63,565.86 = 16,079.78/x
  3. Step 3: Cross multiply
    42,375.62x = 63,565.86 × 16,079.78
  4. Step 4: Simplify right side
    42,375.62x = 1,022,125,044.31
  5. Step 5: Solve for x
    x = 1,022,125,044.31/42,375.62
  6. Step 6: Final answer
    x = 24,120.59

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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.