Home / 74,367.62-102,626.60-40,375.36

Finding the Fourth Proportional to 74,367.62, 102,626.60 and 40,375.36

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Solution

The fourth proportional to 74,367.62, 102,626.60 and 40,375.36 is: 55,717.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367.62 : 102,626.60 = 40,375.36 : x
  2. Step 2: Convert to fraction form
    74,367.62/102,626.60 = 40,375.36/x
  3. Step 3: Cross multiply
    74,367.62x = 102,626.60 × 40,375.36
  4. Step 4: Simplify right side
    74,367.62x = 4,143,585,920.58
  5. Step 5: Solve for x
    x = 4,143,585,920.58/74,367.62
  6. Step 6: Final answer
    x = 55,717.61

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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.