Home / 69,588.27-104,389.23-19,668.75

Finding the Fourth Proportional to 69,588.27, 104,389.23 and 19,668.75

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Solution

The fourth proportional to 69,588.27, 104,389.23 and 19,668.75 is: 29,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,588.27 : 104,389.23 = 19,668.75 : x
  2. Step 2: Convert to fraction form
    69,588.27/104,389.23 = 19,668.75/x
  3. Step 3: Cross multiply
    69,588.27x = 104,389.23 × 19,668.75
  4. Step 4: Simplify right side
    69,588.27x = 2,053,205,667.56
  5. Step 5: Solve for x
    x = 2,053,205,667.56/69,588.27
  6. Step 6: Final answer
    x = 29,505.05

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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.