Home / 54,876.39-75,729.42-29,725.89

Finding the Fourth Proportional to 54,876.39, 75,729.42 and 29,725.89

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Solution

The fourth proportional to 54,876.39, 75,729.42 and 29,725.89 is: 41,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,876.39 : 75,729.42 = 29,725.89 : x
  2. Step 2: Convert to fraction form
    54,876.39/75,729.42 = 29,725.89/x
  3. Step 3: Cross multiply
    54,876.39x = 75,729.42 × 29,725.89
  4. Step 4: Simplify right side
    54,876.39x = 2,251,124,408.68
  5. Step 5: Solve for x
    x = 2,251,124,408.68/54,876.39
  6. Step 6: Final answer
    x = 41,021.73

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1.5x scale

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.