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Finding the Fourth Proportional to 73,635.92, 110,458.74 and 44,242.64

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Solution

The fourth proportional to 73,635.92, 110,458.74 and 44,242.64 is: 66,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,635.92 : 110,458.74 = 44,242.64 : x
  2. Step 2: Convert to fraction form
    73,635.92/110,458.74 = 44,242.64/x
  3. Step 3: Cross multiply
    73,635.92x = 110,458.74 × 44,242.64
  4. Step 4: Simplify right side
    73,635.92x = 4,886,986,268.67
  5. Step 5: Solve for x
    x = 4,886,986,268.67/73,635.92
  6. Step 6: Final answer
    x = 66,366.88

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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.