Home / 89,934.87-124,110.30-49,648.68

Finding the Fourth Proportional to 89,934.87, 124,110.30 and 49,648.68

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Solution

The fourth proportional to 89,934.87, 124,110.30 and 49,648.68 is: 68,515.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,934.87 : 124,110.30 = 49,648.68 : x
  2. Step 2: Convert to fraction form
    89,934.87/124,110.30 = 49,648.68/x
  3. Step 3: Cross multiply
    89,934.87x = 124,110.30 × 49,648.68
  4. Step 4: Simplify right side
    89,934.87x = 6,161,912,755.56
  5. Step 5: Solve for x
    x = 6,161,912,755.56/89,934.87
  6. Step 6: Final answer
    x = 68,515.28

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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.