Home / 87,488.94-120,738.66-49,261.63

Finding the Fourth Proportional to 87,488.94, 120,738.66 and 49,261.63

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Solution

The fourth proportional to 87,488.94, 120,738.66 and 49,261.63 is: 67,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488.94 : 120,738.66 = 49,261.63 : x
  2. Step 2: Convert to fraction form
    87,488.94/120,738.66 = 49,261.63/x
  3. Step 3: Cross multiply
    87,488.94x = 120,738.66 × 49,261.63
  4. Step 4: Simplify right side
    87,488.94x = 5,947,783,195.62
  5. Step 5: Solve for x
    x = 5,947,783,195.62/87,488.94
  6. Step 6: Final answer
    x = 67,983.26

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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.