Home / 67,913.34-101,874.60-17,992.78

Finding the Fourth Proportional to 67,913.34, 101,874.60 and 17,992.78

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Solution

The fourth proportional to 67,913.34, 101,874.60 and 17,992.78 is: 26,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,913.34 : 101,874.60 = 17,992.78 : x
  2. Step 2: Convert to fraction form
    67,913.34/101,874.60 = 17,992.78/x
  3. Step 3: Cross multiply
    67,913.34x = 101,874.60 × 17,992.78
  4. Step 4: Simplify right side
    67,913.34x = 1,833,007,265.39
  5. Step 5: Solve for x
    x = 1,833,007,265.39/67,913.34
  6. Step 6: Final answer
    x = 26,990.39

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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.