Home / 87,625.14-120,922.54-49,899.39

Finding the Fourth Proportional to 87,625.14, 120,922.54 and 49,899.39

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Solution

The fourth proportional to 87,625.14, 120,922.54 and 49,899.39 is: 68,861.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,625.14 : 120,922.54 = 49,899.39 : x
  2. Step 2: Convert to fraction form
    87,625.14/120,922.54 = 49,899.39/x
  3. Step 3: Cross multiply
    87,625.14x = 120,922.54 × 49,899.39
  4. Step 4: Simplify right side
    87,625.14x = 6,033,960,983.25
  5. Step 5: Solve for x
    x = 6,033,960,983.25/87,625.14
  6. Step 6: Final answer
    x = 68,861.07

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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.