Home / 67,081.28-92,572.10-36,868.54

Finding the Fourth Proportional to 67,081.28, 92,572.10 and 36,868.54

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Solution

The fourth proportional to 67,081.28, 92,572.10 and 36,868.54 is: 50,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,081.28 : 92,572.10 = 36,868.54 : x
  2. Step 2: Convert to fraction form
    67,081.28/92,572.10 = 36,868.54/x
  3. Step 3: Cross multiply
    67,081.28x = 92,572.10 × 36,868.54
  4. Step 4: Simplify right side
    67,081.28x = 3,412,998,171.73
  5. Step 5: Solve for x
    x = 3,412,998,171.73/67,081.28
  6. Step 6: Final answer
    x = 50,878.55

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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.