Home / 75,668.18-113,462.85-28,244.27

Finding the Fourth Proportional to 75,668.18, 113,462.85 and 28,244.27

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Solution

The fourth proportional to 75,668.18, 113,462.85 and 28,244.27 is: 42,351.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,668.18 : 113,462.85 = 28,244.27 : x
  2. Step 2: Convert to fraction form
    75,668.18/113,462.85 = 28,244.27/x
  3. Step 3: Cross multiply
    75,668.18x = 113,462.85 × 28,244.27
  4. Step 4: Simplify right side
    75,668.18x = 3,204,675,370.37
  5. Step 5: Solve for x
    x = 3,204,675,370.37/75,668.18
  6. Step 6: Final answer
    x = 42,351.69

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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.