Home / 87,426.33-131,107.36-31,251.27

Finding the Fourth Proportional to 87,426.33, 131,107.36 and 31,251.27

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Solution

The fourth proportional to 87,426.33, 131,107.36 and 31,251.27 is: 46,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,426.33 : 131,107.36 = 31,251.27 : x
  2. Step 2: Convert to fraction form
    87,426.33/131,107.36 = 31,251.27/x
  3. Step 3: Cross multiply
    87,426.33x = 131,107.36 × 31,251.27
  4. Step 4: Simplify right side
    87,426.33x = 4,097,271,506.35
  5. Step 5: Solve for x
    x = 4,097,271,506.35/87,426.33
  6. Step 6: Final answer
    x = 46,865.42

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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.