Home / 87,493.23-131,241.87-31,337.19

Finding the Fourth Proportional to 87,493.23, 131,241.87 and 31,337.19

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Solution

The fourth proportional to 87,493.23, 131,241.87 and 31,337.19 is: 47,006.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,493.23 : 131,241.87 = 31,337.19 : x
  2. Step 2: Convert to fraction form
    87,493.23/131,241.87 = 31,337.19/x
  3. Step 3: Cross multiply
    87,493.23x = 131,241.87 × 31,337.19
  4. Step 4: Simplify right side
    87,493.23x = 4,112,751,416.15
  5. Step 5: Solve for x
    x = 4,112,751,416.15/87,493.23
  6. Step 6: Final answer
    x = 47,006.51

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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.