Home / 69,727.86-104,678.46-69,408.18

Finding the Fourth Proportional to 69,727.86, 104,678.46 and 69,408.18

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Solution

The fourth proportional to 69,727.86, 104,678.46 and 69,408.18 is: 104,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,727.86 : 104,678.46 = 69,408.18 : x
  2. Step 2: Convert to fraction form
    69,727.86/104,678.46 = 69,408.18/x
  3. Step 3: Cross multiply
    69,727.86x = 104,678.46 × 69,408.18
  4. Step 4: Simplify right side
    69,727.86x = 7,265,541,393.80
  5. Step 5: Solve for x
    x = 7,265,541,393.80/69,727.86
  6. Step 6: Final answer
    x = 104,198.54

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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.