Home / 215,768.34-323,652.06-57,996.81

Finding the Fourth Proportional to 215,768.34, 323,652.06 and 57,996.81

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Solution

The fourth proportional to 215,768.34, 323,652.06 and 57,996.81 is: 86,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,768.34 : 323,652.06 = 57,996.81 : x
  2. Step 2: Convert to fraction form
    215,768.34/323,652.06 = 57,996.81/x
  3. Step 3: Cross multiply
    215,768.34x = 323,652.06 × 57,996.81
  4. Step 4: Simplify right side
    215,768.34x = 18,770,787,029.93
  5. Step 5: Solve for x
    x = 18,770,787,029.93/215,768.34
  6. Step 6: Final answer
    x = 86,995.09

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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.