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Finding the Fourth Proportional to 73,147.14, 100,935.72 and 41,309.96

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Solution

The fourth proportional to 73,147.14, 100,935.72 and 41,309.96 is: 57,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,147.14 : 100,935.72 = 41,309.96 : x
  2. Step 2: Convert to fraction form
    73,147.14/100,935.72 = 41,309.96/x
  3. Step 3: Cross multiply
    73,147.14x = 100,935.72 × 41,309.96
  4. Step 4: Simplify right side
    73,147.14x = 4,169,650,051.09
  5. Step 5: Solve for x
    x = 4,169,650,051.09/73,147.14
  6. Step 6: Final answer
    x = 57,003.60

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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.