Home / 75,729.90-104,507.26-43,917.24

Finding the Fourth Proportional to 75,729.90, 104,507.26 and 43,917.24

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Solution

The fourth proportional to 75,729.90, 104,507.26 and 43,917.24 is: 60,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,729.90 : 104,507.26 = 43,917.24 : x
  2. Step 2: Convert to fraction form
    75,729.90/104,507.26 = 43,917.24/x
  3. Step 3: Cross multiply
    75,729.90x = 104,507.26 × 43,917.24
  4. Step 4: Simplify right side
    75,729.90x = 4,589,670,419.16
  5. Step 5: Solve for x
    x = 4,589,670,419.16/75,729.90
  6. Step 6: Final answer
    x = 60,605.79

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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.