Home / 87,454.20-131,246.10-34,901.40

Finding the Fourth Proportional to 87,454.20, 131,246.10 and 34,901.40

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Solution

The fourth proportional to 87,454.20, 131,246.10 and 34,901.40 is: 52,377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,454.20 : 131,246.10 = 34,901.40 : x
  2. Step 2: Convert to fraction form
    87,454.20/131,246.10 = 34,901.40/x
  3. Step 3: Cross multiply
    87,454.20x = 131,246.10 × 34,901.40
  4. Step 4: Simplify right side
    87,454.20x = 4,580,672,634.54
  5. Step 5: Solve for x
    x = 4,580,672,634.54/87,454.20
  6. Step 6: Final answer
    x = 52,377.96

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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.