Home / 69,213.62-103,771.22-33,148.77

Finding the Fourth Proportional to 69,213.62, 103,771.22 and 33,148.77

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Solution

The fourth proportional to 69,213.62, 103,771.22 and 33,148.77 is: 49,699.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,213.62 : 103,771.22 = 33,148.77 : x
  2. Step 2: Convert to fraction form
    69,213.62/103,771.22 = 33,148.77/x
  3. Step 3: Cross multiply
    69,213.62x = 103,771.22 × 33,148.77
  4. Step 4: Simplify right side
    69,213.62x = 3,439,888,138.66
  5. Step 5: Solve for x
    x = 3,439,888,138.66/69,213.62
  6. Step 6: Final answer
    x = 49,699.59

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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.