Home / 69,942.62-96,517.80-39,727.85

Finding the Fourth Proportional to 69,942.62, 96,517.80 and 39,727.85

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Solution

The fourth proportional to 69,942.62, 96,517.80 and 39,727.85 is: 54,822.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,942.62 : 96,517.80 = 39,727.85 : x
  2. Step 2: Convert to fraction form
    69,942.62/96,517.80 = 39,727.85/x
  3. Step 3: Cross multiply
    69,942.62x = 96,517.80 × 39,727.85
  4. Step 4: Simplify right side
    69,942.62x = 3,834,444,922.02
  5. Step 5: Solve for x
    x = 3,834,444,922.02/69,942.62
  6. Step 6: Final answer
    x = 54,822.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.