Home / 74,821.44-103,250.88-41,286.72

Finding the Fourth Proportional to 74,821.44, 103,250.88 and 41,286.72

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Solution

The fourth proportional to 74,821.44, 103,250.88 and 41,286.72 is: 56,974.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,821.44 : 103,250.88 = 41,286.72 : x
  2. Step 2: Convert to fraction form
    74,821.44/103,250.88 = 41,286.72/x
  3. Step 3: Cross multiply
    74,821.44x = 103,250.88 × 41,286.72
  4. Step 4: Simplify right side
    74,821.44x = 4,262,890,172.31
  5. Step 5: Solve for x
    x = 4,262,890,172.31/74,821.44
  6. Step 6: Final answer
    x = 56,974.18

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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.