Home / 69,991.65-96,589.52-38,161.08

Finding the Fourth Proportional to 69,991.65, 96,589.52 and 38,161.08

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Solution

The fourth proportional to 69,991.65, 96,589.52 and 38,161.08 is: 52,662.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,991.65 : 96,589.52 = 38,161.08 : x
  2. Step 2: Convert to fraction form
    69,991.65/96,589.52 = 38,161.08/x
  3. Step 3: Cross multiply
    69,991.65x = 96,589.52 × 38,161.08
  4. Step 4: Simplify right side
    69,991.65x = 3,685,960,399.88
  5. Step 5: Solve for x
    x = 3,685,960,399.88/69,991.65
  6. Step 6: Final answer
    x = 52,662.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.