Home / 87,071.68-130,580.11-33,759.91

Finding the Fourth Proportional to 87,071.68, 130,580.11 and 33,759.91

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Solution

The fourth proportional to 87,071.68, 130,580.11 and 33,759.91 is: 50,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,071.68 : 130,580.11 = 33,759.91 : x
  2. Step 2: Convert to fraction form
    87,071.68/130,580.11 = 33,759.91/x
  3. Step 3: Cross multiply
    87,071.68x = 130,580.11 × 33,759.91
  4. Step 4: Simplify right side
    87,071.68x = 4,408,372,761.39
  5. Step 5: Solve for x
    x = 4,408,372,761.39/87,071.68
  6. Step 6: Final answer
    x = 50,629.24

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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.