Home / 67,202.20-92,733.60-38,909.68

Finding the Fourth Proportional to 67,202.20, 92,733.60 and 38,909.68

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Solution

The fourth proportional to 67,202.20, 92,733.60 and 38,909.68 is: 53,692.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,202.20 : 92,733.60 = 38,909.68 : x
  2. Step 2: Convert to fraction form
    67,202.20/92,733.60 = 38,909.68/x
  3. Step 3: Cross multiply
    67,202.20x = 92,733.60 × 38,909.68
  4. Step 4: Simplify right side
    67,202.20x = 3,608,234,701.25
  5. Step 5: Solve for x
    x = 3,608,234,701.25/67,202.20
  6. Step 6: Final answer
    x = 53,692.21

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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.