Home / 54,921.41-75,788.60-31,046.66

Finding the Fourth Proportional to 54,921.41, 75,788.60 and 31,046.66

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Solution

The fourth proportional to 54,921.41, 75,788.60 and 31,046.66 is: 42,842.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,921.41 : 75,788.60 = 31,046.66 : x
  2. Step 2: Convert to fraction form
    54,921.41/75,788.60 = 31,046.66/x
  3. Step 3: Cross multiply
    54,921.41x = 75,788.60 × 31,046.66
  4. Step 4: Simplify right side
    54,921.41x = 2,352,982,361.90
  5. Step 5: Solve for x
    x = 2,352,982,361.90/54,921.41
  6. Step 6: Final answer
    x = 42,842.72

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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.