Home / 106,571.10-146,977.83-64,121.70

Finding the Fourth Proportional to 106,571.10, 146,977.83 and 64,121.70

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Solution

The fourth proportional to 106,571.10, 146,977.83 and 64,121.70 is: 88,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,571.10 : 146,977.83 = 64,121.70 : x
  2. Step 2: Convert to fraction form
    106,571.10/146,977.83 = 64,121.70/x
  3. Step 3: Cross multiply
    106,571.10x = 146,977.83 × 64,121.70
  4. Step 4: Simplify right side
    106,571.10x = 9,424,468,321.91
  5. Step 5: Solve for x
    x = 9,424,468,321.91/106,571.10
  6. Step 6: Final answer
    x = 88,433.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.