Home / 54,306.78-74,943.21-33,086.04

Finding the Fourth Proportional to 54,306.78, 74,943.21 and 33,086.04

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Solution

The fourth proportional to 54,306.78, 74,943.21 and 33,086.04 is: 45,658.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,306.78 : 74,943.21 = 33,086.04 : x
  2. Step 2: Convert to fraction form
    54,306.78/74,943.21 = 33,086.04/x
  3. Step 3: Cross multiply
    54,306.78x = 74,943.21 × 33,086.04
  4. Step 4: Simplify right side
    54,306.78x = 2,479,574,043.79
  5. Step 5: Solve for x
    x = 2,479,574,043.79/54,306.78
  6. Step 6: Final answer
    x = 45,658.65

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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.