Home / 74,656.44-111,971.70-27,899.64

Finding the Fourth Proportional to 74,656.44, 111,971.70 and 27,899.64

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Solution

The fourth proportional to 74,656.44, 111,971.70 and 27,899.64 is: 41,844.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,656.44 : 111,971.70 = 27,899.64 : x
  2. Step 2: Convert to fraction form
    74,656.44/111,971.70 = 27,899.64/x
  3. Step 3: Cross multiply
    74,656.44x = 111,971.70 × 27,899.64
  4. Step 4: Simplify right side
    74,656.44x = 3,123,970,120.19
  5. Step 5: Solve for x
    x = 3,123,970,120.19/74,656.44
  6. Step 6: Final answer
    x = 41,844.62

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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.