Home / 66,778.38-100,204.50-27,363.18

Finding the Fourth Proportional to 66,778.38, 100,204.50 and 27,363.18

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Solution

The fourth proportional to 66,778.38, 100,204.50 and 27,363.18 is: 41,059.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,778.38 : 100,204.50 = 27,363.18 : x
  2. Step 2: Convert to fraction form
    66,778.38/100,204.50 = 27,363.18/x
  3. Step 3: Cross multiply
    66,778.38x = 100,204.50 × 27,363.18
  4. Step 4: Simplify right side
    66,778.38x = 2,741,913,770.31
  5. Step 5: Solve for x
    x = 2,741,913,770.31/66,778.38
  6. Step 6: Final answer
    x = 41,059.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.