Home / 113,919.62-170,884.15-39,091.21

Finding the Fourth Proportional to 113,919.62, 170,884.15 and 39,091.21

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Solution

The fourth proportional to 113,919.62, 170,884.15 and 39,091.21 is: 58,638.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,919.62 : 170,884.15 = 39,091.21 : x
  2. Step 2: Convert to fraction form
    113,919.62/170,884.15 = 39,091.21/x
  3. Step 3: Cross multiply
    113,919.62x = 170,884.15 × 39,091.21
  4. Step 4: Simplify right side
    113,919.62x = 6,680,067,668.38
  5. Step 5: Solve for x
    x = 6,680,067,668.38/113,919.62
  6. Step 6: Final answer
    x = 58,638.43

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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.