Home / 74,971.44-103,467.96-43,141.68

Finding the Fourth Proportional to 74,971.44, 103,467.96 and 43,141.68

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Solution

The fourth proportional to 74,971.44, 103,467.96 and 43,141.68 is: 59,539.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,971.44 : 103,467.96 = 43,141.68 : x
  2. Step 2: Convert to fraction form
    74,971.44/103,467.96 = 43,141.68/x
  3. Step 3: Cross multiply
    74,971.44x = 103,467.96 × 43,141.68
  4. Step 4: Simplify right side
    74,971.44x = 4,463,781,620.57
  5. Step 5: Solve for x
    x = 4,463,781,620.57/74,971.44
  6. Step 6: Final answer
    x = 59,539.76

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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.