Home / 69,379.44-103,985.35-33,787.42

Finding the Fourth Proportional to 69,379.44, 103,985.35 and 33,787.42

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Solution

The fourth proportional to 69,379.44, 103,985.35 and 33,787.42 is: 50,640.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,379.44 : 103,985.35 = 33,787.42 : x
  2. Step 2: Convert to fraction form
    69,379.44/103,985.35 = 33,787.42/x
  3. Step 3: Cross multiply
    69,379.44x = 103,985.35 × 33,787.42
  4. Step 4: Simplify right side
    69,379.44x = 3,513,396,586.69
  5. Step 5: Solve for x
    x = 3,513,396,586.69/69,379.44
  6. Step 6: Final answer
    x = 50,640.32

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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.