Home / 87,956.89-131,972.69-43,584.48

Finding the Fourth Proportional to 87,956.89, 131,972.69 and 43,584.48

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Solution

The fourth proportional to 87,956.89, 131,972.69 and 43,584.48 is: 65,395.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,956.89 : 131,972.69 = 43,584.48 : x
  2. Step 2: Convert to fraction form
    87,956.89/131,972.69 = 43,584.48/x
  3. Step 3: Cross multiply
    87,956.89x = 131,972.69 × 43,584.48
  4. Step 4: Simplify right side
    87,956.89x = 5,751,961,176.81
  5. Step 5: Solve for x
    x = 5,751,961,176.81/87,956.89
  6. Step 6: Final answer
    x = 65,395.23

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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.