Home / 74,372.72-111,583.38-29,976.62

Finding the Fourth Proportional to 74,372.72, 111,583.38 and 29,976.62

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Solution

The fourth proportional to 74,372.72, 111,583.38 and 29,976.62 is: 44,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,372.72 : 111,583.38 = 29,976.62 : x
  2. Step 2: Convert to fraction form
    74,372.72/111,583.38 = 29,976.62/x
  3. Step 3: Cross multiply
    74,372.72x = 111,583.38 × 29,976.62
  4. Step 4: Simplify right side
    74,372.72x = 3,344,892,580.58
  5. Step 5: Solve for x
    x = 3,344,892,580.58/74,372.72
  6. Step 6: Final answer
    x = 44,974.72

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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.