Home / 67,007.20-92,513.20-41,540.78

Finding the Fourth Proportional to 67,007.20, 92,513.20 and 41,540.78

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Solution

The fourth proportional to 67,007.20, 92,513.20 and 41,540.78 is: 57,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,007.20 : 92,513.20 = 41,540.78 : x
  2. Step 2: Convert to fraction form
    67,007.20/92,513.20 = 41,540.78/x
  3. Step 3: Cross multiply
    67,007.20x = 92,513.20 × 41,540.78
  4. Step 4: Simplify right side
    67,007.20x = 3,843,070,488.30
  5. Step 5: Solve for x
    x = 3,843,070,488.30/67,007.20
  6. Step 6: Final answer
    x = 57,353.10

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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.