Home / 87,818.69-131,728.13-41,104.37

Finding the Fourth Proportional to 87,818.69, 131,728.13 and 41,104.37

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Solution

The fourth proportional to 87,818.69, 131,728.13 and 41,104.37 is: 61,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,818.69 : 131,728.13 = 41,104.37 : x
  2. Step 2: Convert to fraction form
    87,818.69/131,728.13 = 41,104.37/x
  3. Step 3: Cross multiply
    87,818.69x = 131,728.13 × 41,104.37
  4. Step 4: Simplify right side
    87,818.69x = 5,414,601,794.93
  5. Step 5: Solve for x
    x = 5,414,601,794.93/87,818.69
  6. Step 6: Final answer
    x = 61,656.60

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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.