Home / 69,306.42-103,972.44-21,933.45

Finding the Fourth Proportional to 69,306.42, 103,972.44 and 21,933.45

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Solution

The fourth proportional to 69,306.42, 103,972.44 and 21,933.45 is: 32,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,306.42 : 103,972.44 = 21,933.45 : x
  2. Step 2: Convert to fraction form
    69,306.42/103,972.44 = 21,933.45/x
  3. Step 3: Cross multiply
    69,306.42x = 103,972.44 × 21,933.45
  4. Step 4: Simplify right side
    69,306.42x = 2,280,474,314.12
  5. Step 5: Solve for x
    x = 2,280,474,314.12/69,306.42
  6. Step 6: Final answer
    x = 32,904.23

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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.