Home / 87,669.72-131,535.12-27,707.37

Finding the Fourth Proportional to 87,669.72, 131,535.12 and 27,707.37

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Solution

The fourth proportional to 87,669.72, 131,535.12 and 27,707.37 is: 41,570.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,669.72 : 131,535.12 = 27,707.37 : x
  2. Step 2: Convert to fraction form
    87,669.72/131,535.12 = 27,707.37/x
  3. Step 3: Cross multiply
    87,669.72x = 131,535.12 × 27,707.37
  4. Step 4: Simplify right side
    87,669.72x = 3,644,492,237.83
  5. Step 5: Solve for x
    x = 3,644,492,237.83/87,669.72
  6. Step 6: Final answer
    x = 41,570.71

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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.