Home / 54,850.78-75,694.44-29,700.28

Finding the Fourth Proportional to 54,850.78, 75,694.44 and 29,700.28

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Solution

The fourth proportional to 54,850.78, 75,694.44 and 29,700.28 is: 40,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,850.78 : 75,694.44 = 29,700.28 : x
  2. Step 2: Convert to fraction form
    54,850.78/75,694.44 = 29,700.28/x
  3. Step 3: Cross multiply
    54,850.78x = 75,694.44 × 29,700.28
  4. Step 4: Simplify right side
    54,850.78x = 2,248,146,062.44
  5. Step 5: Solve for x
    x = 2,248,146,062.44/54,850.78
  6. Step 6: Final answer
    x = 40,986.58

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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.