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Finding the Fourth Proportional to 73,480.32, 110,202.24 and 29,091.84

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Solution

The fourth proportional to 73,480.32, 110,202.24 and 29,091.84 is: 43,630.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,480.32 : 110,202.24 = 29,091.84 : x
  2. Step 2: Convert to fraction form
    73,480.32/110,202.24 = 29,091.84/x
  3. Step 3: Cross multiply
    73,480.32x = 110,202.24 × 29,091.84
  4. Step 4: Simplify right side
    73,480.32x = 3,205,985,933.72
  5. Step 5: Solve for x
    x = 3,205,985,933.72/73,480.32
  6. Step 6: Final answer
    x = 43,630.54

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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.