Home / 99,669.68-149,529.78-33,110.16

Finding the Fourth Proportional to 99,669.68, 149,529.78 and 33,110.16

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Solution

The fourth proportional to 99,669.68, 149,529.78 and 33,110.16 is: 49,673.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,669.68 : 149,529.78 = 33,110.16 : x
  2. Step 2: Convert to fraction form
    99,669.68/149,529.78 = 33,110.16/x
  3. Step 3: Cross multiply
    99,669.68x = 149,529.78 × 33,110.16
  4. Step 4: Simplify right side
    99,669.68x = 4,950,954,940.56
  5. Step 5: Solve for x
    x = 4,950,954,940.56/99,669.68
  6. Step 6: Final answer
    x = 49,673.63

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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.