Home / 54,163.10-81,292.65-31,948.70

Finding the Fourth Proportional to 54,163.10, 81,292.65 and 31,948.70

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Solution

The fourth proportional to 54,163.10, 81,292.65 and 31,948.70 is: 47,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,163.10 : 81,292.65 = 31,948.70 : x
  2. Step 2: Convert to fraction form
    54,163.10/81,292.65 = 31,948.70/x
  3. Step 3: Cross multiply
    54,163.10x = 81,292.65 × 31,948.70
  4. Step 4: Simplify right side
    54,163.10x = 2,597,194,487.06
  5. Step 5: Solve for x
    x = 2,597,194,487.06/54,163.10
  6. Step 6: Final answer
    x = 47,951.36

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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.