Home / 69,429.75-104,149.49-27,876.75

Finding the Fourth Proportional to 69,429.75, 104,149.49 and 27,876.75

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Solution

The fourth proportional to 69,429.75, 104,149.49 and 27,876.75 is: 41,817.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,429.75 : 104,149.49 = 27,876.75 : x
  2. Step 2: Convert to fraction form
    69,429.75/104,149.49 = 27,876.75/x
  3. Step 3: Cross multiply
    69,429.75x = 104,149.49 × 27,876.75
  4. Step 4: Simplify right side
    69,429.75x = 2,903,349,155.97
  5. Step 5: Solve for x
    x = 2,903,349,155.97/69,429.75
  6. Step 6: Final answer
    x = 41,817.08

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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.