Home / 69,435.66-104,069.97-39,872.46

Finding the Fourth Proportional to 69,435.66, 104,069.97 and 39,872.46

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Solution

The fourth proportional to 69,435.66, 104,069.97 and 39,872.46 is: 59,760.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,435.66 : 104,069.97 = 39,872.46 : x
  2. Step 2: Convert to fraction form
    69,435.66/104,069.97 = 39,872.46/x
  3. Step 3: Cross multiply
    69,435.66x = 104,069.97 × 39,872.46
  4. Step 4: Simplify right side
    69,435.66x = 4,149,525,716.03
  5. Step 5: Solve for x
    x = 4,149,525,716.03/69,435.66
  6. Step 6: Final answer
    x = 59,760.73

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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.