Home / 87,863.41-131,796.74-31,707.73

Finding the Fourth Proportional to 87,863.41, 131,796.74 and 31,707.73

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Solution

The fourth proportional to 87,863.41, 131,796.74 and 31,707.73 is: 47,562.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,863.41 : 131,796.74 = 31,707.73 : x
  2. Step 2: Convert to fraction form
    87,863.41/131,796.74 = 31,707.73/x
  3. Step 3: Cross multiply
    87,863.41x = 131,796.74 × 31,707.73
  4. Step 4: Simplify right side
    87,863.41x = 4,178,975,288.26
  5. Step 5: Solve for x
    x = 4,178,975,288.26/87,863.41
  6. Step 6: Final answer
    x = 47,562.18

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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.