Home / 54,787.73-82,132.26-19,702.72

Finding the Fourth Proportional to 54,787.73, 82,132.26 and 19,702.72

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Solution

The fourth proportional to 54,787.73, 82,132.26 and 19,702.72 is: 29,536.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,787.73 : 82,132.26 = 19,702.72 : x
  2. Step 2: Convert to fraction form
    54,787.73/82,132.26 = 19,702.72/x
  3. Step 3: Cross multiply
    54,787.73x = 82,132.26 × 19,702.72
  4. Step 4: Simplify right side
    54,787.73x = 1,618,228,921.75
  5. Step 5: Solve for x
    x = 1,618,228,921.75/54,787.73
  6. Step 6: Final answer
    x = 29,536.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.