Home / 87,428.97-131,274.68-50,031.27

Finding the Fourth Proportional to 87,428.97, 131,274.68 and 50,031.27

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Solution

The fourth proportional to 87,428.97, 131,274.68 and 50,031.27 is: 75,122.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,428.97 : 131,274.68 = 50,031.27 : x
  2. Step 2: Convert to fraction form
    87,428.97/131,274.68 = 50,031.27/x
  3. Step 3: Cross multiply
    87,428.97x = 131,274.68 × 50,031.27
  4. Step 4: Simplify right side
    87,428.97x = 6,567,838,709.09
  5. Step 5: Solve for x
    x = 6,567,838,709.09/87,428.97
  6. Step 6: Final answer
    x = 75,122.00

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1.5x scale

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.