Home / 67,312.20-100,960.26-27,864.60

Finding the Fourth Proportional to 67,312.20, 100,960.26 and 27,864.60

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Solution

The fourth proportional to 67,312.20, 100,960.26 and 27,864.60 is: 41,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,312.20 : 100,960.26 = 27,864.60 : x
  2. Step 2: Convert to fraction form
    67,312.20/100,960.26 = 27,864.60/x
  3. Step 3: Cross multiply
    67,312.20x = 100,960.26 × 27,864.60
  4. Step 4: Simplify right side
    67,312.20x = 2,813,217,260.80
  5. Step 5: Solve for x
    x = 2,813,217,260.80/67,312.20
  6. Step 6: Final answer
    x = 41,793.57

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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.