Home / 48,171.18-72,079.38-29,127.90

Finding the Fourth Proportional to 48,171.18, 72,079.38 and 29,127.90

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Solution

The fourth proportional to 48,171.18, 72,079.38 and 29,127.90 is: 43,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,171.18 : 72,079.38 = 29,127.90 : x
  2. Step 2: Convert to fraction form
    48,171.18/72,079.38 = 29,127.90/x
  3. Step 3: Cross multiply
    48,171.18x = 72,079.38 × 29,127.90
  4. Step 4: Simplify right side
    48,171.18x = 2,099,520,972.70
  5. Step 5: Solve for x
    x = 2,099,520,972.70/48,171.18
  6. Step 6: Final answer
    x = 43,584.59

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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.