Home / 54,919.89-75,789.27-29,769.39

Finding the Fourth Proportional to 54,919.89, 75,789.27 and 29,769.39

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Solution

The fourth proportional to 54,919.89, 75,789.27 and 29,769.39 is: 41,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,919.89 : 75,789.27 = 29,769.39 : x
  2. Step 2: Convert to fraction form
    54,919.89/75,789.27 = 29,769.39/x
  3. Step 3: Cross multiply
    54,919.89x = 75,789.27 × 29,769.39
  4. Step 4: Simplify right side
    54,919.89x = 2,256,200,336.45
  5. Step 5: Solve for x
    x = 2,256,200,336.45/54,919.89
  6. Step 6: Final answer
    x = 41,081.66

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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.