Home / 69,478.10-95,879.37-39,273.20

Finding the Fourth Proportional to 69,478.10, 95,879.37 and 39,273.20

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Solution

The fourth proportional to 69,478.10, 95,879.37 and 39,273.20 is: 54,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,478.10 : 95,879.37 = 39,273.20 : x
  2. Step 2: Convert to fraction form
    69,478.10/95,879.37 = 39,273.20/x
  3. Step 3: Cross multiply
    69,478.10x = 95,879.37 × 39,273.20
  4. Step 4: Simplify right side
    69,478.10x = 3,765,489,673.88
  5. Step 5: Solve for x
    x = 3,765,489,673.88/69,478.10
  6. Step 6: Final answer
    x = 54,196.79

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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.