Home / 87,968.73-131,971.78-28,800.06

Finding the Fourth Proportional to 87,968.73, 131,971.78 and 28,800.06

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Solution

The fourth proportional to 87,968.73, 131,971.78 and 28,800.06 is: 43,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,968.73 : 131,971.78 = 28,800.06 : x
  2. Step 2: Convert to fraction form
    87,968.73/131,971.78 = 28,800.06/x
  3. Step 3: Cross multiply
    87,968.73x = 131,971.78 × 28,800.06
  4. Step 4: Simplify right side
    87,968.73x = 3,800,794,723.41
  5. Step 5: Solve for x
    x = 3,800,794,723.41/87,968.73
  6. Step 6: Final answer
    x = 43,206.20

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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.