Home / 104,928.20-144,796.70-57,180.52

Finding the Fourth Proportional to 104,928.20, 144,796.70 and 57,180.52

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Solution

The fourth proportional to 104,928.20, 144,796.70 and 57,180.52 is: 78,906.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,928.20 : 144,796.70 = 57,180.52 : x
  2. Step 2: Convert to fraction form
    104,928.20/144,796.70 = 57,180.52/x
  3. Step 3: Cross multiply
    104,928.20x = 144,796.70 × 57,180.52
  4. Step 4: Simplify right side
    104,928.20x = 8,279,549,590.40
  5. Step 5: Solve for x
    x = 8,279,549,590.40/104,928.20
  6. Step 6: Final answer
    x = 78,906.81

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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.