Home / 106,290.76-146,687.90-58,544.09

Finding the Fourth Proportional to 106,290.76, 146,687.90 and 58,544.09

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Solution

The fourth proportional to 106,290.76, 146,687.90 and 58,544.09 is: 80,794.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,290.76 : 146,687.90 = 58,544.09 : x
  2. Step 2: Convert to fraction form
    106,290.76/146,687.90 = 58,544.09/x
  3. Step 3: Cross multiply
    106,290.76x = 146,687.90 × 58,544.09
  4. Step 4: Simplify right side
    106,290.76x = 8,587,709,326.79
  5. Step 5: Solve for x
    x = 8,587,709,326.79/106,290.76
  6. Step 6: Final answer
    x = 80,794.51

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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.