Home / 106,905.92-160,355.57-50,786.42

Finding the Fourth Proportional to 106,905.92, 160,355.57 and 50,786.42

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Solution

The fourth proportional to 106,905.92, 160,355.57 and 50,786.42 is: 76,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,905.92 : 160,355.57 = 50,786.42 : x
  2. Step 2: Convert to fraction form
    106,905.92/160,355.57 = 50,786.42/x
  3. Step 3: Cross multiply
    106,905.92x = 160,355.57 × 50,786.42
  4. Step 4: Simplify right side
    106,905.92x = 8,143,884,271.65
  5. Step 5: Solve for x
    x = 8,143,884,271.65/106,905.92
  6. Step 6: Final answer
    x = 76,178.05

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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.