Home / 106,141.20-146,471.16-58,394.04

Finding the Fourth Proportional to 106,141.20, 146,471.16 and 58,394.04

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Solution

The fourth proportional to 106,141.20, 146,471.16 and 58,394.04 is: 80,581.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,141.20 : 146,471.16 = 58,394.04 : x
  2. Step 2: Convert to fraction form
    106,141.20/146,471.16 = 58,394.04/x
  3. Step 3: Cross multiply
    106,141.20x = 146,471.16 × 58,394.04
  4. Step 4: Simplify right side
    106,141.20x = 8,553,042,775.89
  5. Step 5: Solve for x
    x = 8,553,042,775.89/106,141.20
  6. Step 6: Final answer
    x = 80,581.74

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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.