Home / 87,846.56-131,604.50-43,421.30

Finding the Fourth Proportional to 87,846.56, 131,604.50 and 43,421.30

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Solution

The fourth proportional to 87,846.56, 131,604.50 and 43,421.30 is: 65,050.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,846.56 : 131,604.50 = 43,421.30 : x
  2. Step 2: Convert to fraction form
    87,846.56/131,604.50 = 43,421.30/x
  3. Step 3: Cross multiply
    87,846.56x = 131,604.50 × 43,421.30
  4. Step 4: Simplify right side
    87,846.56x = 5,714,438,475.85
  5. Step 5: Solve for x
    x = 5,714,438,475.85/87,846.56
  6. Step 6: Final answer
    x = 65,050.22

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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.