Home / 74,370.72-111,580.38-29,974.62

Finding the Fourth Proportional to 74,370.72, 111,580.38 and 29,974.62

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Solution

The fourth proportional to 74,370.72, 111,580.38 and 29,974.62 is: 44,971.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,370.72 : 111,580.38 = 29,974.62 : x
  2. Step 2: Convert to fraction form
    74,370.72/111,580.38 = 29,974.62/x
  3. Step 3: Cross multiply
    74,370.72x = 111,580.38 × 29,974.62
  4. Step 4: Simplify right side
    74,370.72x = 3,344,579,489.96
  5. Step 5: Solve for x
    x = 3,344,579,489.96/74,370.72
  6. Step 6: Final answer
    x = 44,971.72

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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.