Home / 106,221.43-146,585.60-58,474.78

Finding the Fourth Proportional to 106,221.43, 146,585.60 and 58,474.78

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Solution

The fourth proportional to 106,221.43, 146,585.60 and 58,474.78 is: 80,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,221.43 : 146,585.60 = 58,474.78 : x
  2. Step 2: Convert to fraction form
    106,221.43/146,585.60 = 58,474.78/x
  3. Step 3: Cross multiply
    106,221.43x = 146,585.60 × 58,474.78
  4. Step 4: Simplify right side
    106,221.43x = 8,571,560,711.17
  5. Step 5: Solve for x
    x = 8,571,560,711.17/106,221.43
  6. Step 6: Final answer
    x = 80,695.21

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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.