Home / 78,296.14-117,433.68-22,140.73

Finding the Fourth Proportional to 78,296.14, 117,433.68 and 22,140.73

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Solution

The fourth proportional to 78,296.14, 117,433.68 and 22,140.73 is: 33,208.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,296.14 : 117,433.68 = 22,140.73 : x
  2. Step 2: Convert to fraction form
    78,296.14/117,433.68 = 22,140.73/x
  3. Step 3: Cross multiply
    78,296.14x = 117,433.68 × 22,140.73
  4. Step 4: Simplify right side
    78,296.14x = 2,600,067,401.79
  5. Step 5: Solve for x
    x = 2,600,067,401.79/78,296.14
  6. Step 6: Final answer
    x = 33,208.12

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1.5x scale

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.