Home / 53,112.81-73,286.37-31,892.54

Finding the Fourth Proportional to 53,112.81, 73,286.37 and 31,892.54

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Solution

The fourth proportional to 53,112.81, 73,286.37 and 31,892.54 is: 44,006.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,112.81 : 73,286.37 = 31,892.54 : x
  2. Step 2: Convert to fraction form
    53,112.81/73,286.37 = 31,892.54/x
  3. Step 3: Cross multiply
    53,112.81x = 73,286.37 × 31,892.54
  4. Step 4: Simplify right side
    53,112.81x = 2,337,288,120.25
  5. Step 5: Solve for x
    x = 2,337,288,120.25/53,112.81
  6. Step 6: Final answer
    x = 44,006.11

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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.