Home / 87,555.63-131,337.29-32,121.39

Finding the Fourth Proportional to 87,555.63, 131,337.29 and 32,121.39

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Solution

The fourth proportional to 87,555.63, 131,337.29 and 32,121.39 is: 48,183.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,555.63 : 131,337.29 = 32,121.39 : x
  2. Step 2: Convert to fraction form
    87,555.63/131,337.29 = 32,121.39/x
  3. Step 3: Cross multiply
    87,555.63x = 131,337.29 × 32,121.39
  4. Step 4: Simplify right side
    87,555.63x = 4,218,736,153.03
  5. Step 5: Solve for x
    x = 4,218,736,153.03/87,555.63
  6. Step 6: Final answer
    x = 48,183.49

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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.