Home / 87,786.36-131,692.50-25,448.76

Finding the Fourth Proportional to 87,786.36, 131,692.50 and 25,448.76

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Solution

The fourth proportional to 87,786.36, 131,692.50 and 25,448.76 is: 38,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,786.36 : 131,692.50 = 25,448.76 : x
  2. Step 2: Convert to fraction form
    87,786.36/131,692.50 = 25,448.76/x
  3. Step 3: Cross multiply
    87,786.36x = 131,692.50 × 25,448.76
  4. Step 4: Simplify right side
    87,786.36x = 3,351,410,826.30
  5. Step 5: Solve for x
    x = 3,351,410,826.30/87,786.36
  6. Step 6: Final answer
    x = 38,176.90

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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.