Home / 57,746.70-86,576.85-31,481.10

Finding the Fourth Proportional to 57,746.70, 86,576.85 and 31,481.10

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Solution

The fourth proportional to 57,746.70, 86,576.85 and 31,481.10 is: 47,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,746.70 : 86,576.85 = 31,481.10 : x
  2. Step 2: Convert to fraction form
    57,746.70/86,576.85 = 31,481.10/x
  3. Step 3: Cross multiply
    57,746.70x = 86,576.85 × 31,481.10
  4. Step 4: Simplify right side
    57,746.70x = 2,725,534,472.54
  5. Step 5: Solve for x
    x = 2,725,534,472.54/57,746.70
  6. Step 6: Final answer
    x = 47,198.10

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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.