Home / 83,749.89-125,649.27-33,804.48

Finding the Fourth Proportional to 83,749.89, 125,649.27 and 33,804.48

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Solution

The fourth proportional to 83,749.89, 125,649.27 and 33,804.48 is: 50,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,749.89 : 125,649.27 = 33,804.48 : x
  2. Step 2: Convert to fraction form
    83,749.89/125,649.27 = 33,804.48/x
  3. Step 3: Cross multiply
    83,749.89x = 125,649.27 × 33,804.48
  4. Step 4: Simplify right side
    83,749.89x = 4,247,508,234.73
  5. Step 5: Solve for x
    x = 4,247,508,234.73/83,749.89
  6. Step 6: Final answer
    x = 50,716.58

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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.