Home / 82,046.20-123,062.90-32,116.60

Finding the Fourth Proportional to 82,046.20, 123,062.90 and 32,116.60

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Solution

The fourth proportional to 82,046.20, 123,062.90 and 32,116.60 is: 48,172.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,046.20 : 123,062.90 = 32,116.60 : x
  2. Step 2: Convert to fraction form
    82,046.20/123,062.90 = 32,116.60/x
  3. Step 3: Cross multiply
    82,046.20x = 123,062.90 × 32,116.60
  4. Step 4: Simplify right side
    82,046.20x = 3,952,361,934.14
  5. Step 5: Solve for x
    x = 3,952,361,934.14/82,046.20
  6. Step 6: Final answer
    x = 48,172.39

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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.