Home / 71,002.12-106,439.82-29,422.60

Finding the Fourth Proportional to 71,002.12, 106,439.82 and 29,422.60

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Solution

The fourth proportional to 71,002.12, 106,439.82 and 29,422.60 is: 44,107.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,002.12 : 106,439.82 = 29,422.60 : x
  2. Step 2: Convert to fraction form
    71,002.12/106,439.82 = 29,422.60/x
  3. Step 3: Cross multiply
    71,002.12x = 106,439.82 × 29,422.60
  4. Step 4: Simplify right side
    71,002.12x = 3,131,736,247.93
  5. Step 5: Solve for x
    x = 3,131,736,247.93/71,002.12
  6. Step 6: Final answer
    x = 44,107.64

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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.