Home / 106,290.25-146,687.20-58,543.58

Finding the Fourth Proportional to 106,290.25, 146,687.20 and 58,543.58

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Solution

The fourth proportional to 106,290.25, 146,687.20 and 58,543.58 is: 80,793.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,290.25 : 146,687.20 = 58,543.58 : x
  2. Step 2: Convert to fraction form
    106,290.25/146,687.20 = 58,543.58/x
  3. Step 3: Cross multiply
    106,290.25x = 146,687.20 × 58,543.58
  4. Step 4: Simplify right side
    106,290.25x = 8,587,594,048.54
  5. Step 5: Solve for x
    x = 8,587,594,048.54/106,290.25
  6. Step 6: Final answer
    x = 80,793.81

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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.