Home / 92,680.20-139,020.30-33,517.80

Finding the Fourth Proportional to 92,680.20, 139,020.30 and 33,517.80

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Solution

The fourth proportional to 92,680.20, 139,020.30 and 33,517.80 is: 50,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,680.20 : 139,020.30 = 33,517.80 : x
  2. Step 2: Convert to fraction form
    92,680.20/139,020.30 = 33,517.80/x
  3. Step 3: Cross multiply
    92,680.20x = 139,020.30 × 33,517.80
  4. Step 4: Simplify right side
    92,680.20x = 4,659,654,611.34
  5. Step 5: Solve for x
    x = 4,659,654,611.34/92,680.20
  6. Step 6: Final answer
    x = 50,276.70

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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.