Home / 87,914.22-131,812.74-28,729.14

Finding the Fourth Proportional to 87,914.22, 131,812.74 and 28,729.14

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Solution

The fourth proportional to 87,914.22, 131,812.74 and 28,729.14 is: 43,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,914.22 : 131,812.74 = 28,729.14 : x
  2. Step 2: Convert to fraction form
    87,914.22/131,812.74 = 28,729.14/x
  3. Step 3: Cross multiply
    87,914.22x = 131,812.74 × 28,729.14
  4. Step 4: Simplify right side
    87,914.22x = 3,786,866,661.24
  5. Step 5: Solve for x
    x = 3,786,866,661.24/87,914.22
  6. Step 6: Final answer
    x = 43,074.56

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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.