Home / 87,768.64-131,672.44-34,465.75

Finding the Fourth Proportional to 87,768.64, 131,672.44 and 34,465.75

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Solution

The fourth proportional to 87,768.64, 131,672.44 and 34,465.75 is: 51,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,768.64 : 131,672.44 = 34,465.75 : x
  2. Step 2: Convert to fraction form
    87,768.64/131,672.44 = 34,465.75/x
  3. Step 3: Cross multiply
    87,768.64x = 131,672.44 × 34,465.75
  4. Step 4: Simplify right side
    87,768.64x = 4,538,189,659.62
  5. Step 5: Solve for x
    x = 4,538,189,659.62/87,768.64
  6. Step 6: Final answer
    x = 51,706.28

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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.