Home / 87,634.44-120,947.18-49,401.23

Finding the Fourth Proportional to 87,634.44, 120,947.18 and 49,401.23

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Solution

The fourth proportional to 87,634.44, 120,947.18 and 49,401.23 is: 68,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,634.44 : 120,947.18 = 49,401.23 : x
  2. Step 2: Convert to fraction form
    87,634.44/120,947.18 = 49,401.23/x
  3. Step 3: Cross multiply
    87,634.44x = 120,947.18 × 49,401.23
  4. Step 4: Simplify right side
    87,634.44x = 5,974,938,605.29
  5. Step 5: Solve for x
    x = 5,974,938,605.29/87,634.44
  6. Step 6: Final answer
    x = 68,180.26

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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.