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Finding the Fourth Proportional to 66,997.27, 92,460.90 and 44,296.81

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Solution

The fourth proportional to 66,997.27, 92,460.90 and 44,296.81 is: 61,132.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,997.27 : 92,460.90 = 44,296.81 : x
  2. Step 2: Convert to fraction form
    66,997.27/92,460.90 = 44,296.81/x
  3. Step 3: Cross multiply
    66,997.27x = 92,460.90 × 44,296.81
  4. Step 4: Simplify right side
    66,997.27x = 4,095,722,919.73
  5. Step 5: Solve for x
    x = 4,095,722,919.73/66,997.27
  6. Step 6: Final answer
    x = 61,132.68

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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.