Home / 106,110.07-146,433.83-57,712.97

Finding the Fourth Proportional to 106,110.07, 146,433.83 and 57,712.97

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Solution

The fourth proportional to 106,110.07, 146,433.83 and 57,712.97 is: 79,644.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,110.07 : 146,433.83 = 57,712.97 : x
  2. Step 2: Convert to fraction form
    106,110.07/146,433.83 = 57,712.97/x
  3. Step 3: Cross multiply
    106,110.07x = 146,433.83 × 57,712.97
  4. Step 4: Simplify right side
    106,110.07x = 8,451,131,315.29
  5. Step 5: Solve for x
    x = 8,451,131,315.29/106,110.07
  6. Step 6: Final answer
    x = 79,644.95

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1.5x scale

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.