Home / 87,754.80-131,512.91-37,111.73

Finding the Fourth Proportional to 87,754.80, 131,512.91 and 37,111.73

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Solution

The fourth proportional to 87,754.80, 131,512.91 and 37,111.73 is: 55,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,754.80 : 131,512.91 = 37,111.73 : x
  2. Step 2: Convert to fraction form
    87,754.80/131,512.91 = 37,111.73/x
  3. Step 3: Cross multiply
    87,754.80x = 131,512.91 × 37,111.73
  4. Step 4: Simplify right side
    87,754.80x = 4,880,670,764.31
  5. Step 5: Solve for x
    x = 4,880,670,764.31/87,754.80
  6. Step 6: Final answer
    x = 55,617.14

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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.