Home / 88,067.28-132,100.92-31,914.84

Finding the Fourth Proportional to 88,067.28, 132,100.92 and 31,914.84

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Solution

The fourth proportional to 88,067.28, 132,100.92 and 31,914.84 is: 47,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,067.28 : 132,100.92 = 31,914.84 : x
  2. Step 2: Convert to fraction form
    88,067.28/132,100.92 = 31,914.84/x
  3. Step 3: Cross multiply
    88,067.28x = 132,100.92 × 31,914.84
  4. Step 4: Simplify right side
    88,067.28x = 4,215,979,725.65
  5. Step 5: Solve for x
    x = 4,215,979,725.65/88,067.28
  6. Step 6: Final answer
    x = 47,872.26

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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.