Home / 104,906.06-144,768.54-57,159.80

Finding the Fourth Proportional to 104,906.06, 144,768.54 and 57,159.80

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Solution

The fourth proportional to 104,906.06, 144,768.54 and 57,159.80 is: 78,879.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,906.06 : 144,768.54 = 57,159.80 : x
  2. Step 2: Convert to fraction form
    104,906.06/144,768.54 = 57,159.80/x
  3. Step 3: Cross multiply
    104,906.06x = 144,768.54 × 57,159.80
  4. Step 4: Simplify right side
    104,906.06x = 8,274,940,792.69
  5. Step 5: Solve for x
    x = 8,274,940,792.69/104,906.06
  6. Step 6: Final answer
    x = 78,879.53

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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.