Home / 69,614-96,067.32-39,811.76

Finding the Fourth Proportional to 69,614, 96,067.32 and 39,811.76

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Solution

The fourth proportional to 69,614, 96,067.32 and 39,811.76 is: 54,940.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,614 : 96,067.32 = 39,811.76 : x
  2. Step 2: Convert to fraction form
    69,614/96,067.32 = 39,811.76/x
  3. Step 3: Cross multiply
    69,614x = 96,067.32 × 39,811.76
  4. Step 4: Simplify right side
    69,614x = 3,824,609,087.68
  5. Step 5: Solve for x
    x = 3,824,609,087.68/69,614
  6. Step 6: Final answer
    x = 54,940.23

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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.