Home / 101,787.75-152,747.37-39,458.25

Finding the Fourth Proportional to 101,787.75, 152,747.37 and 39,458.25

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Solution

The fourth proportional to 101,787.75, 152,747.37 and 39,458.25 is: 59,212.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,787.75 : 152,747.37 = 39,458.25 : x
  2. Step 2: Convert to fraction form
    101,787.75/152,747.37 = 39,458.25/x
  3. Step 3: Cross multiply
    101,787.75x = 152,747.37 × 39,458.25
  4. Step 4: Simplify right side
    101,787.75x = 6,027,143,912.30
  5. Step 5: Solve for x
    x = 6,027,143,912.30/101,787.75
  6. Step 6: Final answer
    x = 59,212.86

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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.