Home / 57,318.33-85,982.96-22,260.72

Finding the Fourth Proportional to 57,318.33, 85,982.96 and 22,260.72

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Solution

The fourth proportional to 57,318.33, 85,982.96 and 22,260.72 is: 33,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,318.33 : 85,982.96 = 22,260.72 : x
  2. Step 2: Convert to fraction form
    57,318.33/85,982.96 = 22,260.72/x
  3. Step 3: Cross multiply
    57,318.33x = 85,982.96 × 22,260.72
  4. Step 4: Simplify right side
    57,318.33x = 1,914,042,597.33
  5. Step 5: Solve for x
    x = 1,914,042,597.33/57,318.33
  6. Step 6: Final answer
    x = 33,393.20

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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.