Home / 87,626.80-131,440.20-59,633.20

Finding the Fourth Proportional to 87,626.80, 131,440.20 and 59,633.20

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Solution

The fourth proportional to 87,626.80, 131,440.20 and 59,633.20 is: 89,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,626.80 : 131,440.20 = 59,633.20 : x
  2. Step 2: Convert to fraction form
    87,626.80/131,440.20 = 59,633.20/x
  3. Step 3: Cross multiply
    87,626.80x = 131,440.20 × 59,633.20
  4. Step 4: Simplify right side
    87,626.80x = 7,838,199,734.64
  5. Step 5: Solve for x
    x = 7,838,199,734.64/87,626.80
  6. Step 6: Final answer
    x = 89,449.80

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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.