Home / 74,991.33-103,514.10-43,172.91

Finding the Fourth Proportional to 74,991.33, 103,514.10 and 43,172.91

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Solution

The fourth proportional to 74,991.33, 103,514.10 and 43,172.91 is: 59,593.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,991.33 : 103,514.10 = 43,172.91 : x
  2. Step 2: Convert to fraction form
    74,991.33/103,514.10 = 43,172.91/x
  3. Step 3: Cross multiply
    74,991.33x = 103,514.10 × 43,172.91
  4. Step 4: Simplify right side
    74,991.33x = 4,469,004,761.13
  5. Step 5: Solve for x
    x = 4,469,004,761.13/74,991.33
  6. Step 6: Final answer
    x = 59,593.62

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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.