Home / 63,633.11-87,803.15-36,778.12

Finding the Fourth Proportional to 63,633.11, 87,803.15 and 36,778.12

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Solution

The fourth proportional to 63,633.11, 87,803.15 and 36,778.12 is: 50,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,633.11 : 87,803.15 = 36,778.12 : x
  2. Step 2: Convert to fraction form
    63,633.11/87,803.15 = 36,778.12/x
  3. Step 3: Cross multiply
    63,633.11x = 87,803.15 × 36,778.12
  4. Step 4: Simplify right side
    63,633.11x = 3,229,234,383.68
  5. Step 5: Solve for x
    x = 3,229,234,383.68/63,633.11
  6. Step 6: Final answer
    x = 50,747.71

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1.5x scale

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.