Home / 49,422.84-68,198.82-29,279.76

Finding the Fourth Proportional to 49,422.84, 68,198.82 and 29,279.76

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Solution

The fourth proportional to 49,422.84, 68,198.82 and 29,279.76 is: 40,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,422.84 : 68,198.82 = 29,279.76 : x
  2. Step 2: Convert to fraction form
    49,422.84/68,198.82 = 29,279.76/x
  3. Step 3: Cross multiply
    49,422.84x = 68,198.82 × 29,279.76
  4. Step 4: Simplify right side
    49,422.84x = 1,996,845,081.88
  5. Step 5: Solve for x
    x = 1,996,845,081.88/49,422.84
  6. Step 6: Final answer
    x = 40,403.28

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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.