Home / 75,983.70-113,905.86-29,201.34

Finding the Fourth Proportional to 75,983.70, 113,905.86 and 29,201.34

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Solution

The fourth proportional to 75,983.70, 113,905.86 and 29,201.34 is: 43,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,983.70 : 113,905.86 = 29,201.34 : x
  2. Step 2: Convert to fraction form
    75,983.70/113,905.86 = 29,201.34/x
  3. Step 3: Cross multiply
    75,983.70x = 113,905.86 × 29,201.34
  4. Step 4: Simplify right side
    75,983.70x = 3,326,203,745.85
  5. Step 5: Solve for x
    x = 3,326,203,745.85/75,983.70
  6. Step 6: Final answer
    x = 43,775.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.