Home / 113,558.04-170,161.82-71,917.56

Finding the Fourth Proportional to 113,558.04, 170,161.82 and 71,917.56

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Solution

The fourth proportional to 113,558.04, 170,161.82 and 71,917.56 is: 107,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,558.04 : 170,161.82 = 71,917.56 : x
  2. Step 2: Convert to fraction form
    113,558.04/170,161.82 = 71,917.56/x
  3. Step 3: Cross multiply
    113,558.04x = 170,161.82 × 71,917.56
  4. Step 4: Simplify right side
    113,558.04x = 12,237,622,899.56
  5. Step 5: Solve for x
    x = 12,237,622,899.56/113,558.04
  6. Step 6: Final answer
    x = 107,765.36

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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.