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Finding the Fourth Proportional to 68,197.69, 102,321.20 and 34,933.42

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Solution

The fourth proportional to 68,197.69, 102,321.20 and 34,933.42 is: 52,412.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,197.69 : 102,321.20 = 34,933.42 : x
  2. Step 2: Convert to fraction form
    68,197.69/102,321.20 = 34,933.42/x
  3. Step 3: Cross multiply
    68,197.69x = 102,321.20 × 34,933.42
  4. Step 4: Simplify right side
    68,197.69x = 3,574,429,454.50
  5. Step 5: Solve for x
    x = 3,574,429,454.50/68,197.69
  6. Step 6: Final answer
    x = 52,412.76

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1.5x scale

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.