Home / 69,579.36-104,237.82-53,920.44

Finding the Fourth Proportional to 69,579.36, 104,237.82 and 53,920.44

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Solution

The fourth proportional to 69,579.36, 104,237.82 and 53,920.44 is: 80,778.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,579.36 : 104,237.82 = 53,920.44 : x
  2. Step 2: Convert to fraction form
    69,579.36/104,237.82 = 53,920.44/x
  3. Step 3: Cross multiply
    69,579.36x = 104,237.82 × 53,920.44
  4. Step 4: Simplify right side
    69,579.36x = 5,620,549,119.04
  5. Step 5: Solve for x
    x = 5,620,549,119.04/69,579.36
  6. Step 6: Final answer
    x = 80,778.97

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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.