Home / 71,450.26-107,169.63-29,318.38

Finding the Fourth Proportional to 71,450.26, 107,169.63 and 29,318.38

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Solution

The fourth proportional to 71,450.26, 107,169.63 and 29,318.38 is: 43,975.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,450.26 : 107,169.63 = 29,318.38 : x
  2. Step 2: Convert to fraction form
    71,450.26/107,169.63 = 29,318.38/x
  3. Step 3: Cross multiply
    71,450.26x = 107,169.63 × 29,318.38
  4. Step 4: Simplify right side
    71,450.26x = 3,142,039,936.80
  5. Step 5: Solve for x
    x = 3,142,039,936.80/71,450.26
  6. Step 6: Final answer
    x = 43,975.21

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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.