Home / 67,291.18-100,861.32-27,300.87

Finding the Fourth Proportional to 67,291.18, 100,861.32 and 27,300.87

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Solution

The fourth proportional to 67,291.18, 100,861.32 and 27,300.87 is: 40,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,291.18 : 100,861.32 = 27,300.87 : x
  2. Step 2: Convert to fraction form
    67,291.18/100,861.32 = 27,300.87/x
  3. Step 3: Cross multiply
    67,291.18x = 100,861.32 × 27,300.87
  4. Step 4: Simplify right side
    67,291.18x = 2,753,601,785.35
  5. Step 5: Solve for x
    x = 2,753,601,785.35/67,291.18
  6. Step 6: Final answer
    x = 40,920.69

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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.