Home / 87,821.94-131,733-41,107.62

Finding the Fourth Proportional to 87,821.94, 131,733 and 41,107.62

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Solution

The fourth proportional to 87,821.94, 131,733 and 41,107.62 is: 61,661.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,821.94 : 131,733 = 41,107.62 : x
  2. Step 2: Convert to fraction form
    87,821.94/131,733 = 41,107.62/x
  3. Step 3: Cross multiply
    87,821.94x = 131,733 × 41,107.62
  4. Step 4: Simplify right side
    87,821.94x = 5,415,230,105.46
  5. Step 5: Solve for x
    x = 5,415,230,105.46/87,821.94
  6. Step 6: Final answer
    x = 61,661.47

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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.