Home / 87,416.75-120,634.94-49,176.33

Finding the Fourth Proportional to 87,416.75, 120,634.94 and 49,176.33

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Solution

The fourth proportional to 87,416.75, 120,634.94 and 49,176.33 is: 67,863.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,416.75 : 120,634.94 = 49,176.33 : x
  2. Step 2: Convert to fraction form
    87,416.75/120,634.94 = 49,176.33/x
  3. Step 3: Cross multiply
    87,416.75x = 120,634.94 × 49,176.33
  4. Step 4: Simplify right side
    87,416.75x = 5,932,383,012.91
  5. Step 5: Solve for x
    x = 5,932,383,012.91/87,416.75
  6. Step 6: Final answer
    x = 67,863.23

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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.