Home / 113,629.23-170,443.82-43,508.54

Finding the Fourth Proportional to 113,629.23, 170,443.82 and 43,508.54

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Solution

The fourth proportional to 113,629.23, 170,443.82 and 43,508.54 is: 65,262.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,629.23 : 170,443.82 = 43,508.54 : x
  2. Step 2: Convert to fraction form
    113,629.23/170,443.82 = 43,508.54/x
  3. Step 3: Cross multiply
    113,629.23x = 170,443.82 × 43,508.54
  4. Step 4: Simplify right side
    113,629.23x = 7,415,762,295.10
  5. Step 5: Solve for x
    x = 7,415,762,295.10/113,629.23
  6. Step 6: Final answer
    x = 65,262.81

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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.