Home / 69,912.38-104,827.10-27,769.80

Finding the Fourth Proportional to 69,912.38, 104,827.10 and 27,769.80

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Solution

The fourth proportional to 69,912.38, 104,827.10 and 27,769.80 is: 41,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,912.38 : 104,827.10 = 27,769.80 : x
  2. Step 2: Convert to fraction form
    69,912.38/104,827.10 = 27,769.80/x
  3. Step 3: Cross multiply
    69,912.38x = 104,827.10 × 27,769.80
  4. Step 4: Simplify right side
    69,912.38x = 2,911,027,855.83
  5. Step 5: Solve for x
    x = 2,911,027,855.83/69,912.38
  6. Step 6: Final answer
    x = 41,638.23

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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.