Home / 75,845.13-104,661.56-41,853.89

Finding the Fourth Proportional to 75,845.13, 104,661.56 and 41,853.89

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Solution

The fourth proportional to 75,845.13, 104,661.56 and 41,853.89 is: 57,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,845.13 : 104,661.56 = 41,853.89 : x
  2. Step 2: Convert to fraction form
    75,845.13/104,661.56 = 41,853.89/x
  3. Step 3: Cross multiply
    75,845.13x = 104,661.56 × 41,853.89
  4. Step 4: Simplify right side
    75,845.13x = 4,380,493,000.80
  5. Step 5: Solve for x
    x = 4,380,493,000.80/75,845.13
  6. Step 6: Final answer
    x = 57,755.76

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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.