Home / 74,117.10-111,180.85-29,743.88

Finding the Fourth Proportional to 74,117.10, 111,180.85 and 29,743.88

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Solution

The fourth proportional to 74,117.10, 111,180.85 and 29,743.88 is: 44,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,117.10 : 111,180.85 = 29,743.88 : x
  2. Step 2: Convert to fraction form
    74,117.10/111,180.85 = 29,743.88/x
  3. Step 3: Cross multiply
    74,117.10x = 111,180.85 × 29,743.88
  4. Step 4: Simplify right side
    74,117.10x = 3,306,949,711.98
  5. Step 5: Solve for x
    x = 3,306,949,711.98/74,117.10
  6. Step 6: Final answer
    x = 44,617.90

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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.