Home / 87,455.57-131,140.22-36,845.35

Finding the Fourth Proportional to 87,455.57, 131,140.22 and 36,845.35

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Solution

The fourth proportional to 87,455.57, 131,140.22 and 36,845.35 is: 55,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,455.57 : 131,140.22 = 36,845.35 : x
  2. Step 2: Convert to fraction form
    87,455.57/131,140.22 = 36,845.35/x
  3. Step 3: Cross multiply
    87,455.57x = 131,140.22 × 36,845.35
  4. Step 4: Simplify right side
    87,455.57x = 4,831,906,792.90
  5. Step 5: Solve for x
    x = 4,831,906,792.90/87,455.57
  6. Step 6: Final answer
    x = 55,249.85

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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.