Home / 87,833.26-131,734.86-31,662.19

Finding the Fourth Proportional to 87,833.26, 131,734.86 and 31,662.19

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Solution

The fourth proportional to 87,833.26, 131,734.86 and 31,662.19 is: 47,487.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,833.26 : 131,734.86 = 31,662.19 : x
  2. Step 2: Convert to fraction form
    87,833.26/131,734.86 = 31,662.19/x
  3. Step 3: Cross multiply
    87,833.26x = 131,734.86 × 31,662.19
  4. Step 4: Simplify right side
    87,833.26x = 4,171,014,166.94
  5. Step 5: Solve for x
    x = 4,171,014,166.94/87,833.26
  6. Step 6: Final answer
    x = 47,487.87

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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.