Home / 87,753.35-131,581.40-40,980.71

Finding the Fourth Proportional to 87,753.35, 131,581.40 and 40,980.71

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Solution

The fourth proportional to 87,753.35, 131,581.40 and 40,980.71 is: 61,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,753.35 : 131,581.40 = 40,980.71 : x
  2. Step 2: Convert to fraction form
    87,753.35/131,581.40 = 40,980.71/x
  3. Step 3: Cross multiply
    87,753.35x = 131,581.40 × 40,980.71
  4. Step 4: Simplify right side
    87,753.35x = 5,392,298,331.98
  5. Step 5: Solve for x
    x = 5,392,298,331.98/87,753.35
  6. Step 6: Final answer
    x = 61,448.35

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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.