Home / 87,471.08-131,174.42-31,295.96

Finding the Fourth Proportional to 87,471.08, 131,174.42 and 31,295.96

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Solution

The fourth proportional to 87,471.08, 131,174.42 and 31,295.96 is: 46,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,471.08 : 131,174.42 = 31,295.96 : x
  2. Step 2: Convert to fraction form
    87,471.08/131,174.42 = 31,295.96/x
  3. Step 3: Cross multiply
    87,471.08x = 131,174.42 × 31,295.96
  4. Step 4: Simplify right side
    87,471.08x = 4,105,228,588.99
  5. Step 5: Solve for x
    x = 4,105,228,588.99/87,471.08
  6. Step 6: Final answer
    x = 46,932.41

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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.