Home / 103,949.94-143,450.72-58,627.79

Finding the Fourth Proportional to 103,949.94, 143,450.72 and 58,627.79

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Solution

The fourth proportional to 103,949.94, 143,450.72 and 58,627.79 is: 80,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,949.94 : 143,450.72 = 58,627.79 : x
  2. Step 2: Convert to fraction form
    103,949.94/143,450.72 = 58,627.79/x
  3. Step 3: Cross multiply
    103,949.94x = 143,450.72 × 58,627.79
  4. Step 4: Simplify right side
    103,949.94x = 8,410,197,677.12
  5. Step 5: Solve for x
    x = 8,410,197,677.12/103,949.94
  6. Step 6: Final answer
    x = 80,906.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.