Home / 87,580.16-120,847.36-49,334.24

Finding the Fourth Proportional to 87,580.16, 120,847.36 and 49,334.24

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Solution

The fourth proportional to 87,580.16, 120,847.36 and 49,334.24 is: 68,073.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,580.16 : 120,847.36 = 49,334.24 : x
  2. Step 2: Convert to fraction form
    87,580.16/120,847.36 = 49,334.24/x
  3. Step 3: Cross multiply
    87,580.16x = 120,847.36 × 49,334.24
  4. Step 4: Simplify right side
    87,580.16x = 5,961,912,661.61
  5. Step 5: Solve for x
    x = 5,961,912,661.61/87,580.16
  6. Step 6: Final answer
    x = 68,073.78

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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.