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Finding the Fourth Proportional to 73,662.55, 110,501.97 and 26,288.69

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Solution

The fourth proportional to 73,662.55, 110,501.97 and 26,288.69 is: 39,435.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,662.55 : 110,501.97 = 26,288.69 : x
  2. Step 2: Convert to fraction form
    73,662.55/110,501.97 = 26,288.69/x
  3. Step 3: Cross multiply
    73,662.55x = 110,501.97 × 26,288.69
  4. Step 4: Simplify right side
    73,662.55x = 2,904,951,530.50
  5. Step 5: Solve for x
    x = 2,904,951,530.50/73,662.55
  6. Step 6: Final answer
    x = 39,435.94

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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.