Home / 101,272.22-139,755.68-58,833.48

Finding the Fourth Proportional to 101,272.22, 139,755.68 and 58,833.48

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Solution

The fourth proportional to 101,272.22, 139,755.68 and 58,833.48 is: 81,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,272.22 : 139,755.68 = 58,833.48 : x
  2. Step 2: Convert to fraction form
    101,272.22/139,755.68 = 58,833.48/x
  3. Step 3: Cross multiply
    101,272.22x = 139,755.68 × 58,833.48
  4. Step 4: Simplify right side
    101,272.22x = 8,222,313,454.71
  5. Step 5: Solve for x
    x = 8,222,313,454.71/101,272.22
  6. Step 6: Final answer
    x = 81,190.22

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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.