Home / 106,279.42-146,665.92-57,881.71

Finding the Fourth Proportional to 106,279.42, 146,665.92 and 57,881.71

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Solution

The fourth proportional to 106,279.42, 146,665.92 and 57,881.71 is: 79,876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,279.42 : 146,665.92 = 57,881.71 : x
  2. Step 2: Convert to fraction form
    106,279.42/146,665.92 = 57,881.71/x
  3. Step 3: Cross multiply
    106,279.42x = 146,665.92 × 57,881.71
  4. Step 4: Simplify right side
    106,279.42x = 8,489,274,248.32
  5. Step 5: Solve for x
    x = 8,489,274,248.32/106,279.42
  6. Step 6: Final answer
    x = 79,876.94

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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.