Home / 104,917.06-144,786.33-57,171.70

Finding the Fourth Proportional to 104,917.06, 144,786.33 and 57,171.70

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Solution

The fourth proportional to 104,917.06, 144,786.33 and 57,171.70 is: 78,897.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,917.06 : 144,786.33 = 57,171.70 : x
  2. Step 2: Convert to fraction form
    104,917.06/144,786.33 = 57,171.70/x
  3. Step 3: Cross multiply
    104,917.06x = 144,786.33 × 57,171.70
  4. Step 4: Simplify right side
    104,917.06x = 8,277,680,622.86
  5. Step 5: Solve for x
    x = 8,277,680,622.86/104,917.06
  6. Step 6: Final answer
    x = 78,897.37

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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.