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Finding the Fourth Proportional to 73,344.53, 101,221.91 and 41,078.65

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Solution

The fourth proportional to 73,344.53, 101,221.91 and 41,078.65 is: 56,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,344.53 : 101,221.91 = 41,078.65 : x
  2. Step 2: Convert to fraction form
    73,344.53/101,221.91 = 41,078.65/x
  3. Step 3: Cross multiply
    73,344.53x = 101,221.91 × 41,078.65
  4. Step 4: Simplify right side
    73,344.53x = 4,158,059,413.22
  5. Step 5: Solve for x
    x = 4,158,059,413.22/73,344.53
  6. Step 6: Final answer
    x = 56,692.15

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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.