Home / 63,687.38-87,890.37-36,827.30

Finding the Fourth Proportional to 63,687.38, 87,890.37 and 36,827.30

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Solution

The fourth proportional to 63,687.38, 87,890.37 and 36,827.30 is: 50,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,687.38 : 87,890.37 = 36,827.30 : x
  2. Step 2: Convert to fraction form
    63,687.38/87,890.37 = 36,827.30/x
  3. Step 3: Cross multiply
    63,687.38x = 87,890.37 × 36,827.30
  4. Step 4: Simplify right side
    63,687.38x = 3,236,765,023.10
  5. Step 5: Solve for x
    x = 3,236,765,023.10/63,687.38
  6. Step 6: Final answer
    x = 50,822.71

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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.