Home / 87,867.40-131,736.30-37,906.60

Finding the Fourth Proportional to 87,867.40, 131,736.30 and 37,906.60

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Solution

The fourth proportional to 87,867.40, 131,736.30 and 37,906.60 is: 56,831.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,867.40 : 131,736.30 = 37,906.60 : x
  2. Step 2: Convert to fraction form
    87,867.40/131,736.30 = 37,906.60/x
  3. Step 3: Cross multiply
    87,867.40x = 131,736.30 × 37,906.60
  4. Step 4: Simplify right side
    87,867.40x = 4,993,675,229.58
  5. Step 5: Solve for x
    x = 4,993,675,229.58/87,867.40
  6. Step 6: Final answer
    x = 56,831.94

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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.