Home / 87,889.44-131,806.92-31,722.24

Finding the Fourth Proportional to 87,889.44, 131,806.92 and 31,722.24

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Solution

The fourth proportional to 87,889.44, 131,806.92 and 31,722.24 is: 47,573.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,889.44 : 131,806.92 = 31,722.24 : x
  2. Step 2: Convert to fraction form
    87,889.44/131,806.92 = 31,722.24/x
  3. Step 3: Cross multiply
    87,889.44x = 131,806.92 × 31,722.24
  4. Step 4: Simplify right side
    87,889.44x = 4,181,210,749.90
  5. Step 5: Solve for x
    x = 4,181,210,749.90/87,889.44
  6. Step 6: Final answer
    x = 47,573.53

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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.