Home / 87,863.08-131,668.41-49,942.48

Finding the Fourth Proportional to 87,863.08, 131,668.41 and 49,942.48

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Solution

The fourth proportional to 87,863.08, 131,668.41 and 49,942.48 is: 74,841.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,863.08 : 131,668.41 = 49,942.48 : x
  2. Step 2: Convert to fraction form
    87,863.08/131,668.41 = 49,942.48/x
  3. Step 3: Cross multiply
    87,863.08x = 131,668.41 × 49,942.48
  4. Step 4: Simplify right side
    87,863.08x = 6,575,846,933.06
  5. Step 5: Solve for x
    x = 6,575,846,933.06/87,863.08
  6. Step 6: Final answer
    x = 74,841.98

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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.