Home / 48,079.62-72,116.19-20,377.62

Finding the Fourth Proportional to 48,079.62, 72,116.19 and 20,377.62

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Solution

The fourth proportional to 48,079.62, 72,116.19 and 20,377.62 is: 30,565.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,079.62 : 72,116.19 = 20,377.62 : x
  2. Step 2: Convert to fraction form
    48,079.62/72,116.19 = 20,377.62/x
  3. Step 3: Cross multiply
    48,079.62x = 72,116.19 × 20,377.62
  4. Step 4: Simplify right side
    48,079.62x = 1,469,556,315.67
  5. Step 5: Solve for x
    x = 1,469,556,315.67/48,079.62
  6. Step 6: Final answer
    x = 30,565.06

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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.