Home / 63,651.48-87,849.72-36,789.36

Finding the Fourth Proportional to 63,651.48, 87,849.72 and 36,789.36

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Solution

The fourth proportional to 63,651.48, 87,849.72 and 36,789.36 is: 50,775.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,651.48 : 87,849.72 = 36,789.36 : x
  2. Step 2: Convert to fraction form
    63,651.48/87,849.72 = 36,789.36/x
  3. Step 3: Cross multiply
    63,651.48x = 87,849.72 × 36,789.36
  4. Step 4: Simplify right side
    63,651.48x = 3,231,934,974.98
  5. Step 5: Solve for x
    x = 3,231,934,974.98/63,651.48
  6. Step 6: Final answer
    x = 50,775.49

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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.