Home / 107,857.70-161,786.54-32,977.85

Finding the Fourth Proportional to 107,857.70, 161,786.54 and 32,977.85

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Solution

The fourth proportional to 107,857.70, 161,786.54 and 32,977.85 is: 49,466.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,857.70 : 161,786.54 = 32,977.85 : x
  2. Step 2: Convert to fraction form
    107,857.70/161,786.54 = 32,977.85/x
  3. Step 3: Cross multiply
    107,857.70x = 161,786.54 × 32,977.85
  4. Step 4: Simplify right side
    107,857.70x = 5,335,371,521.65
  5. Step 5: Solve for x
    x = 5,335,371,521.65/107,857.70
  6. Step 6: Final answer
    x = 49,466.77

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1.5x scale

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.