Home / 55,610.34-76,749.66-31,731.54

Finding the Fourth Proportional to 55,610.34, 76,749.66 and 31,731.54

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Solution

The fourth proportional to 55,610.34, 76,749.66 and 31,731.54 is: 43,793.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,610.34 : 76,749.66 = 31,731.54 : x
  2. Step 2: Convert to fraction form
    55,610.34/76,749.66 = 31,731.54/x
  3. Step 3: Cross multiply
    55,610.34x = 76,749.66 × 31,731.54
  4. Step 4: Simplify right side
    55,610.34x = 2,435,384,906.28
  5. Step 5: Solve for x
    x = 2,435,384,906.28/55,610.34
  6. Step 6: Final answer
    x = 43,793.74

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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.