Home / 108,002.20-162,003.30-33,133.90

Finding the Fourth Proportional to 108,002.20, 162,003.30 and 33,133.90

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Solution

The fourth proportional to 108,002.20, 162,003.30 and 33,133.90 is: 49,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,002.20 : 162,003.30 = 33,133.90 : x
  2. Step 2: Convert to fraction form
    108,002.20/162,003.30 = 33,133.90/x
  3. Step 3: Cross multiply
    108,002.20x = 162,003.30 × 33,133.90
  4. Step 4: Simplify right side
    108,002.20x = 5,367,801,141.87
  5. Step 5: Solve for x
    x = 5,367,801,141.87/108,002.20
  6. Step 6: Final answer
    x = 49,700.85

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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.