Home / 77,778.82-116,673.99-22,379.14

Finding the Fourth Proportional to 77,778.82, 116,673.99 and 22,379.14

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Solution

The fourth proportional to 77,778.82, 116,673.99 and 22,379.14 is: 33,570.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,778.82 : 116,673.99 = 22,379.14 : x
  2. Step 2: Convert to fraction form
    77,778.82/116,673.99 = 22,379.14/x
  3. Step 3: Cross multiply
    77,778.82x = 116,673.99 × 22,379.14
  4. Step 4: Simplify right side
    77,778.82x = 2,611,063,556.57
  5. Step 5: Solve for x
    x = 2,611,063,556.57/77,778.82
  6. Step 6: Final answer
    x = 33,570.37

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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.