Home / 87,627.80-131,441.70-59,634.20

Finding the Fourth Proportional to 87,627.80, 131,441.70 and 59,634.20

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Solution

The fourth proportional to 87,627.80, 131,441.70 and 59,634.20 is: 89,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,627.80 : 131,441.70 = 59,634.20 : x
  2. Step 2: Convert to fraction form
    87,627.80/131,441.70 = 59,634.20/x
  3. Step 3: Cross multiply
    87,627.80x = 131,441.70 × 59,634.20
  4. Step 4: Simplify right side
    87,627.80x = 7,838,420,626.14
  5. Step 5: Solve for x
    x = 7,838,420,626.14/87,627.80
  6. Step 6: Final answer
    x = 89,451.30

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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.