Home / 49,189.21-67,889.82-29,044.78

Finding the Fourth Proportional to 49,189.21, 67,889.82 and 29,044.78

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Solution

The fourth proportional to 49,189.21, 67,889.82 and 29,044.78 is: 40,086.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,189.21 : 67,889.82 = 29,044.78 : x
  2. Step 2: Convert to fraction form
    49,189.21/67,889.82 = 29,044.78/x
  3. Step 3: Cross multiply
    49,189.21x = 67,889.82 × 29,044.78
  4. Step 4: Simplify right side
    49,189.21x = 1,971,844,886.14
  5. Step 5: Solve for x
    x = 1,971,844,886.14/49,189.21
  6. Step 6: Final answer
    x = 40,086.94

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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.