Home / 108,468.20-162,687.30-33,639.80

Finding the Fourth Proportional to 108,468.20, 162,687.30 and 33,639.80

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Solution

The fourth proportional to 108,468.20, 162,687.30 and 33,639.80 is: 50,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,468.20 : 162,687.30 = 33,639.80 : x
  2. Step 2: Convert to fraction form
    108,468.20/162,687.30 = 33,639.80/x
  3. Step 3: Cross multiply
    108,468.20x = 162,687.30 × 33,639.80
  4. Step 4: Simplify right side
    108,468.20x = 5,472,768,234.54
  5. Step 5: Solve for x
    x = 5,472,768,234.54/108,468.20
  6. Step 6: Final answer
    x = 50,455.05

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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.