Home / 87,379.27-131,047.30-37,453.70

Finding the Fourth Proportional to 87,379.27, 131,047.30 and 37,453.70

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Solution

The fourth proportional to 87,379.27, 131,047.30 and 37,453.70 is: 56,171.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,379.27 : 131,047.30 = 37,453.70 : x
  2. Step 2: Convert to fraction form
    87,379.27/131,047.30 = 37,453.70/x
  3. Step 3: Cross multiply
    87,379.27x = 131,047.30 × 37,453.70
  4. Step 4: Simplify right side
    87,379.27x = 4,908,206,072.74
  5. Step 5: Solve for x
    x = 4,908,206,072.74/87,379.27
  6. Step 6: Final answer
    x = 56,171.29

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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.