Home / 63,651.72-87,829.60-36,789.02

Finding the Fourth Proportional to 63,651.72, 87,829.60 and 36,789.02

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Solution

The fourth proportional to 63,651.72, 87,829.60 and 36,789.02 is: 50,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,651.72 : 87,829.60 = 36,789.02 : x
  2. Step 2: Convert to fraction form
    63,651.72/87,829.60 = 36,789.02/x
  3. Step 3: Cross multiply
    63,651.72x = 87,829.60 × 36,789.02
  4. Step 4: Simplify right side
    63,651.72x = 3,231,164,910.99
  5. Step 5: Solve for x
    x = 3,231,164,910.99/63,651.72
  6. Step 6: Final answer
    x = 50,763.20

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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.