Home / 74,991.52-103,514.36-43,173.10

Finding the Fourth Proportional to 74,991.52, 103,514.36 and 43,173.10

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Solution

The fourth proportional to 74,991.52, 103,514.36 and 43,173.10 is: 59,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,991.52 : 103,514.36 = 43,173.10 : x
  2. Step 2: Convert to fraction form
    74,991.52/103,514.36 = 43,173.10/x
  3. Step 3: Cross multiply
    74,991.52x = 103,514.36 × 43,173.10
  4. Step 4: Simplify right side
    74,991.52x = 4,469,035,341.06
  5. Step 5: Solve for x
    x = 4,469,035,341.06/74,991.52
  6. Step 6: Final answer
    x = 59,593.88

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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.