Home / 80,589.06-111,195.99-48,760.38

Finding the Fourth Proportional to 80,589.06, 111,195.99 and 48,760.38

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Solution

The fourth proportional to 80,589.06, 111,195.99 and 48,760.38 is: 67,279.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,589.06 : 111,195.99 = 48,760.38 : x
  2. Step 2: Convert to fraction form
    80,589.06/111,195.99 = 48,760.38/x
  3. Step 3: Cross multiply
    80,589.06x = 111,195.99 × 48,760.38
  4. Step 4: Simplify right side
    80,589.06x = 5,421,958,726.88
  5. Step 5: Solve for x
    x = 5,421,958,726.88/80,589.06
  6. Step 6: Final answer
    x = 67,279.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.