Home / 87,512.72-131,274.84-25,183.76

Finding the Fourth Proportional to 87,512.72, 131,274.84 and 25,183.76

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Solution

The fourth proportional to 87,512.72, 131,274.84 and 25,183.76 is: 37,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,512.72 : 131,274.84 = 25,183.76 : x
  2. Step 2: Convert to fraction form
    87,512.72/131,274.84 = 25,183.76/x
  3. Step 3: Cross multiply
    87,512.72x = 131,274.84 × 25,183.76
  4. Step 4: Simplify right side
    87,512.72x = 3,305,994,064.60
  5. Step 5: Solve for x
    x = 3,305,994,064.60/87,512.72
  6. Step 6: Final answer
    x = 37,777.30

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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.