Home / 69,021.35-103,516.62-26,902.56

Finding the Fourth Proportional to 69,021.35, 103,516.62 and 26,902.56

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Solution

The fourth proportional to 69,021.35, 103,516.62 and 26,902.56 is: 40,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,021.35 : 103,516.62 = 26,902.56 : x
  2. Step 2: Convert to fraction form
    69,021.35/103,516.62 = 26,902.56/x
  3. Step 3: Cross multiply
    69,021.35x = 103,516.62 × 26,902.56
  4. Step 4: Simplify right side
    69,021.35x = 2,784,862,367.85
  5. Step 5: Solve for x
    x = 2,784,862,367.85/69,021.35
  6. Step 6: Final answer
    x = 40,347.84

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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.