Home / 77,010.72-115,552.82-41,949.60

Finding the Fourth Proportional to 77,010.72, 115,552.82 and 41,949.60

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Solution

The fourth proportional to 77,010.72, 115,552.82 and 41,949.60 is: 62,944.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,010.72 : 115,552.82 = 41,949.60 : x
  2. Step 2: Convert to fraction form
    77,010.72/115,552.82 = 41,949.60/x
  3. Step 3: Cross multiply
    77,010.72x = 115,552.82 × 41,949.60
  4. Step 4: Simplify right side
    77,010.72x = 4,847,394,577.87
  5. Step 5: Solve for x
    x = 4,847,394,577.87/77,010.72
  6. Step 6: Final answer
    x = 62,944.41

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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.