Home / 271,084.14-406,591.52-71,419.95

Finding the Fourth Proportional to 271,084.14, 406,591.52 and 71,419.95

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Solution

The fourth proportional to 271,084.14, 406,591.52 and 71,419.95 is: 107,120.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,084.14 : 406,591.52 = 71,419.95 : x
  2. Step 2: Convert to fraction form
    271,084.14/406,591.52 = 71,419.95/x
  3. Step 3: Cross multiply
    271,084.14x = 406,591.52 × 71,419.95
  4. Step 4: Simplify right side
    271,084.14x = 29,038,745,671.72
  5. Step 5: Solve for x
    x = 29,038,745,671.72/271,084.14
  6. Step 6: Final answer
    x = 107,120.78

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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.