Home / 54,103.27-74,660.26-31,442.07

Finding the Fourth Proportional to 54,103.27, 74,660.26 and 31,442.07

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Solution

The fourth proportional to 54,103.27, 74,660.26 and 31,442.07 is: 43,388.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,103.27 : 74,660.26 = 31,442.07 : x
  2. Step 2: Convert to fraction form
    54,103.27/74,660.26 = 31,442.07/x
  3. Step 3: Cross multiply
    54,103.27x = 74,660.26 × 31,442.07
  4. Step 4: Simplify right side
    54,103.27x = 2,347,473,293.03
  5. Step 5: Solve for x
    x = 2,347,473,293.03/54,103.27
  6. Step 6: Final answer
    x = 43,388.75

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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.