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Finding the Fourth Proportional to 69,662.64, 96,083.64 and 44,176.80

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Solution

The fourth proportional to 69,662.64, 96,083.64 and 44,176.80 is: 60,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,662.64 : 96,083.64 = 44,176.80 : x
  2. Step 2: Convert to fraction form
    69,662.64/96,083.64 = 44,176.80/x
  3. Step 3: Cross multiply
    69,662.64x = 96,083.64 × 44,176.80
  4. Step 4: Simplify right side
    69,662.64x = 4,244,667,747.55
  5. Step 5: Solve for x
    x = 4,244,667,747.55/69,662.64
  6. Step 6: Final answer
    x = 60,931.77

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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.