Home / 87,350.25-131,076.21-36,745.59

Finding the Fourth Proportional to 87,350.25, 131,076.21 and 36,745.59

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Solution

The fourth proportional to 87,350.25, 131,076.21 and 36,745.59 is: 55,139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,350.25 : 131,076.21 = 36,745.59 : x
  2. Step 2: Convert to fraction form
    87,350.25/131,076.21 = 36,745.59/x
  3. Step 3: Cross multiply
    87,350.25x = 131,076.21 × 36,745.59
  4. Step 4: Simplify right side
    87,350.25x = 4,816,472,671.41
  5. Step 5: Solve for x
    x = 4,816,472,671.41/87,350.25
  6. Step 6: Final answer
    x = 55,139.77

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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.