Home / 87,441.12-131,161.68-37,488.96

Finding the Fourth Proportional to 87,441.12, 131,161.68 and 37,488.96

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Solution

The fourth proportional to 87,441.12, 131,161.68 and 37,488.96 is: 56,233.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,441.12 : 131,161.68 = 37,488.96 : x
  2. Step 2: Convert to fraction form
    87,441.12/131,161.68 = 37,488.96/x
  3. Step 3: Cross multiply
    87,441.12x = 131,161.68 × 37,488.96
  4. Step 4: Simplify right side
    87,441.12x = 4,917,114,975.05
  5. Step 5: Solve for x
    x = 4,917,114,975.05/87,441.12
  6. Step 6: Final answer
    x = 56,233.44

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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.