Home / 99,786.66-149,703.92-33,227.40

Finding the Fourth Proportional to 99,786.66, 149,703.92 and 33,227.40

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Solution

The fourth proportional to 99,786.66, 149,703.92 and 33,227.40 is: 49,849.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,786.66 : 149,703.92 = 33,227.40 : x
  2. Step 2: Convert to fraction form
    99,786.66/149,703.92 = 33,227.40/x
  3. Step 3: Cross multiply
    99,786.66x = 149,703.92 × 33,227.40
  4. Step 4: Simplify right side
    99,786.66x = 4,974,271,865.27
  5. Step 5: Solve for x
    x = 4,974,271,865.27/99,786.66
  6. Step 6: Final answer
    x = 49,849.07

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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.