Home / 69,286.93-103,670.37-41,103.79

Finding the Fourth Proportional to 69,286.93, 103,670.37 and 41,103.79

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Solution

The fourth proportional to 69,286.93, 103,670.37 and 41,103.79 is: 61,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,286.93 : 103,670.37 = 41,103.79 : x
  2. Step 2: Convert to fraction form
    69,286.93/103,670.37 = 41,103.79/x
  3. Step 3: Cross multiply
    69,286.93x = 103,670.37 × 41,103.79
  4. Step 4: Simplify right side
    69,286.93x = 4,261,245,117.70
  5. Step 5: Solve for x
    x = 4,261,245,117.70/69,286.93
  6. Step 6: Final answer
    x = 61,501.43

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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.