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Finding the Fourth Proportional to 73,591.13, 110,405.09 and 29,203.20

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Solution

The fourth proportional to 73,591.13, 110,405.09 and 29,203.20 is: 43,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,591.13 : 110,405.09 = 29,203.20 : x
  2. Step 2: Convert to fraction form
    73,591.13/110,405.09 = 29,203.20/x
  3. Step 3: Cross multiply
    73,591.13x = 110,405.09 × 29,203.20
  4. Step 4: Simplify right side
    73,591.13x = 3,224,181,997.30
  5. Step 5: Solve for x
    x = 3,224,181,997.30/73,591.13
  6. Step 6: Final answer
    x = 43,812.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.