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Finding the Fourth Proportional to 73,935.53, 110,998.64 and 63,472.79

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Solution

The fourth proportional to 73,935.53, 110,998.64 and 63,472.79 is: 95,291.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,935.53 : 110,998.64 = 63,472.79 : x
  2. Step 2: Convert to fraction form
    73,935.53/110,998.64 = 63,472.79/x
  3. Step 3: Cross multiply
    73,935.53x = 110,998.64 × 63,472.79
  4. Step 4: Simplify right side
    73,935.53x = 7,045,393,367.01
  5. Step 5: Solve for x
    x = 7,045,393,367.01/73,935.53
  6. Step 6: Final answer
    x = 95,291.04

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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.