Home / 54,450.84-75,147.30-31,787.94

Finding the Fourth Proportional to 54,450.84, 75,147.30 and 31,787.94

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Solution

The fourth proportional to 54,450.84, 75,147.30 and 31,787.94 is: 43,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,450.84 : 75,147.30 = 31,787.94 : x
  2. Step 2: Convert to fraction form
    54,450.84/75,147.30 = 31,787.94/x
  3. Step 3: Cross multiply
    54,450.84x = 75,147.30 × 31,787.94
  4. Step 4: Simplify right side
    54,450.84x = 2,388,777,863.56
  5. Step 5: Solve for x
    x = 2,388,777,863.56/54,450.84
  6. Step 6: Final answer
    x = 43,870.36

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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.