Home / 87,729.44-131,644.32-37,124.48

Finding the Fourth Proportional to 87,729.44, 131,644.32 and 37,124.48

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Solution

The fourth proportional to 87,729.44, 131,644.32 and 37,124.48 is: 55,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,729.44 : 131,644.32 = 37,124.48 : x
  2. Step 2: Convert to fraction form
    87,729.44/131,644.32 = 37,124.48/x
  3. Step 3: Cross multiply
    87,729.44x = 131,644.32 × 37,124.48
  4. Step 4: Simplify right side
    87,729.44x = 4,887,226,924.95
  5. Step 5: Solve for x
    x = 4,887,226,924.95/87,729.44
  6. Step 6: Final answer
    x = 55,707.95

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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.