Home / 69,915.44-104,815.10-27,769.52

Finding the Fourth Proportional to 69,915.44, 104,815.10 and 27,769.52

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Solution

The fourth proportional to 69,915.44, 104,815.10 and 27,769.52 is: 41,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,915.44 : 104,815.10 = 27,769.52 : x
  2. Step 2: Convert to fraction form
    69,915.44/104,815.10 = 27,769.52/x
  3. Step 3: Cross multiply
    69,915.44x = 104,815.10 × 27,769.52
  4. Step 4: Simplify right side
    69,915.44x = 2,910,665,015.75
  5. Step 5: Solve for x
    x = 2,910,665,015.75/69,915.44
  6. Step 6: Final answer
    x = 41,631.22

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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.