Home / 99,786.17-149,703.17-33,226.90

Finding the Fourth Proportional to 99,786.17, 149,703.17 and 33,226.90

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Solution

The fourth proportional to 99,786.17, 149,703.17 and 33,226.90 is: 49,848.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,786.17 : 149,703.17 = 33,226.90 : x
  2. Step 2: Convert to fraction form
    99,786.17/149,703.17 = 33,226.90/x
  3. Step 3: Cross multiply
    99,786.17x = 149,703.17 × 33,226.90
  4. Step 4: Simplify right side
    99,786.17x = 4,974,171,510.76
  5. Step 5: Solve for x
    x = 4,974,171,510.76/99,786.17
  6. Step 6: Final answer
    x = 49,848.31

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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.