Home / 99,787.92-149,705.80-33,228.65

Finding the Fourth Proportional to 99,787.92, 149,705.80 and 33,228.65

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Solution

The fourth proportional to 99,787.92, 149,705.80 and 33,228.65 is: 49,850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,787.92 : 149,705.80 = 33,228.65 : x
  2. Step 2: Convert to fraction form
    99,787.92/149,705.80 = 33,228.65/x
  3. Step 3: Cross multiply
    99,787.92x = 149,705.80 × 33,228.65
  4. Step 4: Simplify right side
    99,787.92x = 4,974,521,631.17
  5. Step 5: Solve for x
    x = 4,974,521,631.17/99,787.92
  6. Step 6: Final answer
    x = 49,850.94

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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.