Home / 108,002.20-162,003.30-54,858.10

Finding the Fourth Proportional to 108,002.20, 162,003.30 and 54,858.10

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Solution

The fourth proportional to 108,002.20, 162,003.30 and 54,858.10 is: 82,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,002.20 : 162,003.30 = 54,858.10 : x
  2. Step 2: Convert to fraction form
    108,002.20/162,003.30 = 54,858.10/x
  3. Step 3: Cross multiply
    108,002.20x = 162,003.30 × 54,858.10
  4. Step 4: Simplify right side
    108,002.20x = 8,887,193,231.73
  5. Step 5: Solve for x
    x = 8,887,193,231.73/108,002.20
  6. Step 6: Final answer
    x = 82,287.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.