Home / 104,796.75-144,619.28-57,050.43

Finding the Fourth Proportional to 104,796.75, 144,619.28 and 57,050.43

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Solution

The fourth proportional to 104,796.75, 144,619.28 and 57,050.43 is: 78,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,796.75 : 144,619.28 = 57,050.43 : x
  2. Step 2: Convert to fraction form
    104,796.75/144,619.28 = 57,050.43/x
  3. Step 3: Cross multiply
    104,796.75x = 144,619.28 × 57,050.43
  4. Step 4: Simplify right side
    104,796.75x = 8,250,591,825.04
  5. Step 5: Solve for x
    x = 8,250,591,825.04/104,796.75
  6. Step 6: Final answer
    x = 78,729.46

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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.