Home / 87,771.97-131,661.60-28,608.15

Finding the Fourth Proportional to 87,771.97, 131,661.60 and 28,608.15

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Solution

The fourth proportional to 87,771.97, 131,661.60 and 28,608.15 is: 42,913.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,771.97 : 131,661.60 = 28,608.15 : x
  2. Step 2: Convert to fraction form
    87,771.97/131,661.60 = 28,608.15/x
  3. Step 3: Cross multiply
    87,771.97x = 131,661.60 × 28,608.15
  4. Step 4: Simplify right side
    87,771.97x = 3,766,594,659.00
  5. Step 5: Solve for x
    x = 3,766,594,659.00/87,771.97
  6. Step 6: Final answer
    x = 42,913.41

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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.