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Finding the Fourth Proportional to 68,079, 93,949.02 and 38,271

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Solution

The fourth proportional to 68,079, 93,949.02 and 38,271 is: 52,813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,079 : 93,949.02 = 38,271 : x
  2. Step 2: Convert to fraction form
    68,079/93,949.02 = 38,271/x
  3. Step 3: Cross multiply
    68,079x = 93,949.02 × 38,271
  4. Step 4: Simplify right side
    68,079x = 3,595,522,944.42
  5. Step 5: Solve for x
    x = 3,595,522,944.42/68,079
  6. Step 6: Final answer
    x = 52,813.98

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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.