Home / 87,892.24-131,779.80-45,668.56

Finding the Fourth Proportional to 87,892.24, 131,779.80 and 45,668.56

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Solution

The fourth proportional to 87,892.24, 131,779.80 and 45,668.56 is: 68,472.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,892.24 : 131,779.80 = 45,668.56 : x
  2. Step 2: Convert to fraction form
    87,892.24/131,779.80 = 45,668.56/x
  3. Step 3: Cross multiply
    87,892.24x = 131,779.80 × 45,668.56
  4. Step 4: Simplify right side
    87,892.24x = 6,018,193,703.09
  5. Step 5: Solve for x
    x = 6,018,193,703.09/87,892.24
  6. Step 6: Final answer
    x = 68,472.41

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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.