Home / 69,571.20-104,169.83-57,240.03

Finding the Fourth Proportional to 69,571.20, 104,169.83 and 57,240.03

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Solution

The fourth proportional to 69,571.20, 104,169.83 and 57,240.03 is: 85,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,571.20 : 104,169.83 = 57,240.03 : x
  2. Step 2: Convert to fraction form
    69,571.20/104,169.83 = 57,240.03/x
  3. Step 3: Cross multiply
    69,571.20x = 104,169.83 × 57,240.03
  4. Step 4: Simplify right side
    69,571.20x = 5,962,683,908.09
  5. Step 5: Solve for x
    x = 5,962,683,908.09/69,571.20
  6. Step 6: Final answer
    x = 85,706.21

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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.