Home / 99,960.15-149,947.97-33,400.51

Finding the Fourth Proportional to 99,960.15, 149,947.97 and 33,400.51

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Solution

The fourth proportional to 99,960.15, 149,947.97 and 33,400.51 is: 50,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,960.15 : 149,947.97 = 33,400.51 : x
  2. Step 2: Convert to fraction form
    99,960.15/149,947.97 = 33,400.51/x
  3. Step 3: Cross multiply
    99,960.15x = 149,947.97 × 33,400.51
  4. Step 4: Simplify right side
    99,960.15x = 5,008,338,129.59
  5. Step 5: Solve for x
    x = 5,008,338,129.59/99,960.15
  6. Step 6: Final answer
    x = 50,103.35

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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.