Home / 51,167.09-76,375.36-47,414.78

Finding the Fourth Proportional to 51,167.09, 76,375.36 and 47,414.78

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Solution

The fourth proportional to 51,167.09, 76,375.36 and 47,414.78 is: 70,774.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,167.09 : 76,375.36 = 47,414.78 : x
  2. Step 2: Convert to fraction form
    51,167.09/76,375.36 = 47,414.78/x
  3. Step 3: Cross multiply
    51,167.09x = 76,375.36 × 47,414.78
  4. Step 4: Simplify right side
    51,167.09x = 3,621,320,891.82
  5. Step 5: Solve for x
    x = 3,621,320,891.82/51,167.09
  6. Step 6: Final answer
    x = 70,774.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.