Home / 87,065.97-120,152.36-50,766.43

Finding the Fourth Proportional to 87,065.97, 120,152.36 and 50,766.43

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Solution

The fourth proportional to 87,065.97, 120,152.36 and 50,766.43 is: 70,058.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,065.97 : 120,152.36 = 50,766.43 : x
  2. Step 2: Convert to fraction form
    87,065.97/120,152.36 = 50,766.43/x
  3. Step 3: Cross multiply
    87,065.97x = 120,152.36 × 50,766.43
  4. Step 4: Simplify right side
    87,065.97x = 6,099,706,425.10
  5. Step 5: Solve for x
    x = 6,099,706,425.10/87,065.97
  6. Step 6: Final answer
    x = 70,058.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.