Home / 87,446.20-131,234.10-34,893.40

Finding the Fourth Proportional to 87,446.20, 131,234.10 and 34,893.40

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Solution

The fourth proportional to 87,446.20, 131,234.10 and 34,893.40 is: 52,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,446.20 : 131,234.10 = 34,893.40 : x
  2. Step 2: Convert to fraction form
    87,446.20/131,234.10 = 34,893.40/x
  3. Step 3: Cross multiply
    87,446.20x = 131,234.10 × 34,893.40
  4. Step 4: Simplify right side
    87,446.20x = 4,579,203,944.94
  5. Step 5: Solve for x
    x = 4,579,203,944.94/87,446.20
  6. Step 6: Final answer
    x = 52,365.96

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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.