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Finding the Fourth Proportional to 73,171.58, 100,971.24 and 41,343.44

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Solution

The fourth proportional to 73,171.58, 100,971.24 and 41,343.44 is: 57,050.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,171.58 : 100,971.24 = 41,343.44 : x
  2. Step 2: Convert to fraction form
    73,171.58/100,971.24 = 41,343.44/x
  3. Step 3: Cross multiply
    73,171.58x = 100,971.24 × 41,343.44
  4. Step 4: Simplify right side
    73,171.58x = 4,174,498,402.67
  5. Step 5: Solve for x
    x = 4,174,498,402.67/73,171.58
  6. Step 6: Final answer
    x = 57,050.82

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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.