Home / 67,211.28-92,747.19-38,530.59

Finding the Fourth Proportional to 67,211.28, 92,747.19 and 38,530.59

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Solution

The fourth proportional to 67,211.28, 92,747.19 and 38,530.59 is: 53,169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,211.28 : 92,747.19 = 38,530.59 : x
  2. Step 2: Convert to fraction form
    67,211.28/92,747.19 = 38,530.59/x
  3. Step 3: Cross multiply
    67,211.28x = 92,747.19 × 38,530.59
  4. Step 4: Simplify right side
    67,211.28x = 3,573,603,951.54
  5. Step 5: Solve for x
    x = 3,573,603,951.54/67,211.28
  6. Step 6: Final answer
    x = 53,169.71

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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.