Home / 80,432.12-110,999.30-48,594.87

Finding the Fourth Proportional to 80,432.12, 110,999.30 and 48,594.87

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Solution

The fourth proportional to 80,432.12, 110,999.30 and 48,594.87 is: 67,062.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,432.12 : 110,999.30 = 48,594.87 : x
  2. Step 2: Convert to fraction form
    80,432.12/110,999.30 = 48,594.87/x
  3. Step 3: Cross multiply
    80,432.12x = 110,999.30 × 48,594.87
  4. Step 4: Simplify right side
    80,432.12x = 5,393,996,310.62
  5. Step 5: Solve for x
    x = 5,393,996,310.62/80,432.12
  6. Step 6: Final answer
    x = 67,062.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.