Home / 101,375.48-139,894.08-58,930.68

Finding the Fourth Proportional to 101,375.48, 139,894.08 and 58,930.68

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Solution

The fourth proportional to 101,375.48, 139,894.08 and 58,930.68 is: 81,321.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,375.48 : 139,894.08 = 58,930.68 : x
  2. Step 2: Convert to fraction form
    101,375.48/139,894.08 = 58,930.68/x
  3. Step 3: Cross multiply
    101,375.48x = 139,894.08 × 58,930.68
  4. Step 4: Simplify right side
    101,375.48x = 8,244,053,262.37
  5. Step 5: Solve for x
    x = 8,244,053,262.37/101,375.48
  6. Step 6: Final answer
    x = 81,321.97

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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.