Home / 67,201.20-92,732.22-38,908.68

Finding the Fourth Proportional to 67,201.20, 92,732.22 and 38,908.68

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Solution

The fourth proportional to 67,201.20, 92,732.22 and 38,908.68 is: 53,690.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,201.20 : 92,732.22 = 38,908.68 : x
  2. Step 2: Convert to fraction form
    67,201.20/92,732.22 = 38,908.68/x
  3. Step 3: Cross multiply
    67,201.20x = 92,732.22 × 38,908.68
  4. Step 4: Simplify right side
    67,201.20x = 3,608,088,273.67
  5. Step 5: Solve for x
    x = 3,608,088,273.67/67,201.20
  6. Step 6: Final answer
    x = 53,690.83

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1.5x scale

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.