Home / 71,919.10-107,869.20-22,004.20

Finding the Fourth Proportional to 71,919.10, 107,869.20 and 22,004.20

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Solution

The fourth proportional to 71,919.10, 107,869.20 and 22,004.20 is: 33,003.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,919.10 : 107,869.20 = 22,004.20 : x
  2. Step 2: Convert to fraction form
    71,919.10/107,869.20 = 22,004.20/x
  3. Step 3: Cross multiply
    71,919.10x = 107,869.20 × 22,004.20
  4. Step 4: Simplify right side
    71,919.10x = 2,373,575,450.64
  5. Step 5: Solve for x
    x = 2,373,575,450.64/71,919.10
  6. Step 6: Final answer
    x = 33,003.41

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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.