Home / 69,163.27-103,578.58-39,491.17

Finding the Fourth Proportional to 69,163.27, 103,578.58 and 39,491.17

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Solution

The fourth proportional to 69,163.27, 103,578.58 and 39,491.17 is: 59,141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,163.27 : 103,578.58 = 39,491.17 : x
  2. Step 2: Convert to fraction form
    69,163.27/103,578.58 = 39,491.17/x
  3. Step 3: Cross multiply
    69,163.27x = 103,578.58 × 39,491.17
  4. Step 4: Simplify right side
    69,163.27x = 4,090,439,311.14
  5. Step 5: Solve for x
    x = 4,090,439,311.14/69,163.27
  6. Step 6: Final answer
    x = 59,141.79

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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.