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Finding the Fourth Proportional to 67,277.55, 100,898.10 and 19,892.55

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Solution

The fourth proportional to 67,277.55, 100,898.10 and 19,892.55 is: 29,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,277.55 : 100,898.10 = 19,892.55 : x
  2. Step 2: Convert to fraction form
    67,277.55/100,898.10 = 19,892.55/x
  3. Step 3: Cross multiply
    67,277.55x = 100,898.10 × 19,892.55
  4. Step 4: Simplify right side
    67,277.55x = 2,007,120,499.16
  5. Step 5: Solve for x
    x = 2,007,120,499.16/67,277.55
  6. Step 6: Final answer
    x = 29,833.44

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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.