Home / 87,297.12-120,472.92-49,063.32

Finding the Fourth Proportional to 87,297.12, 120,472.92 and 49,063.32

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Solution

The fourth proportional to 87,297.12, 120,472.92 and 49,063.32 is: 67,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,297.12 : 120,472.92 = 49,063.32 : x
  2. Step 2: Convert to fraction form
    87,297.12/120,472.92 = 49,063.32/x
  3. Step 3: Cross multiply
    87,297.12x = 120,472.92 × 49,063.32
  4. Step 4: Simplify right side
    87,297.12x = 5,910,801,425.29
  5. Step 5: Solve for x
    x = 5,910,801,425.29/87,297.12
  6. Step 6: Final answer
    x = 67,709.01

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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.