Home / 87,616.26-131,400.18-37,685.70

Finding the Fourth Proportional to 87,616.26, 131,400.18 and 37,685.70

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Solution

The fourth proportional to 87,616.26, 131,400.18 and 37,685.70 is: 56,518.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,616.26 : 131,400.18 = 37,685.70 : x
  2. Step 2: Convert to fraction form
    87,616.26/131,400.18 = 37,685.70/x
  3. Step 3: Cross multiply
    87,616.26x = 131,400.18 × 37,685.70
  4. Step 4: Simplify right side
    87,616.26x = 4,951,907,763.43
  5. Step 5: Solve for x
    x = 4,951,907,763.43/87,616.26
  6. Step 6: Final answer
    x = 56,518.14

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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.