Home / 69,917.94-96,489.09-41,619.78

Finding the Fourth Proportional to 69,917.94, 96,489.09 and 41,619.78

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Solution

The fourth proportional to 69,917.94, 96,489.09 and 41,619.78 is: 57,436.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,917.94 : 96,489.09 = 41,619.78 : x
  2. Step 2: Convert to fraction form
    69,917.94/96,489.09 = 41,619.78/x
  3. Step 3: Cross multiply
    69,917.94x = 96,489.09 × 41,619.78
  4. Step 4: Simplify right side
    69,917.94x = 4,015,854,698.20
  5. Step 5: Solve for x
    x = 4,015,854,698.20/69,917.94
  6. Step 6: Final answer
    x = 57,436.69

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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.