Home / 54,979.89-75,872.48-29,829.39

Finding the Fourth Proportional to 54,979.89, 75,872.48 and 29,829.39

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Solution

The fourth proportional to 54,979.89, 75,872.48 and 29,829.39 is: 41,164.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,979.89 : 75,872.48 = 29,829.39 : x
  2. Step 2: Convert to fraction form
    54,979.89/75,872.48 = 29,829.39/x
  3. Step 3: Cross multiply
    54,979.89x = 75,872.48 × 29,829.39
  4. Step 4: Simplify right side
    54,979.89x = 2,263,229,647.04
  5. Step 5: Solve for x
    x = 2,263,229,647.04/54,979.89
  6. Step 6: Final answer
    x = 41,164.68

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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.