Home / 64,865.28-89,514.62-36,183.99

Finding the Fourth Proportional to 64,865.28, 89,514.62 and 36,183.99

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Solution

The fourth proportional to 64,865.28, 89,514.62 and 36,183.99 is: 49,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,865.28 : 89,514.62 = 36,183.99 : x
  2. Step 2: Convert to fraction form
    64,865.28/89,514.62 = 36,183.99/x
  3. Step 3: Cross multiply
    64,865.28x = 89,514.62 × 36,183.99
  4. Step 4: Simplify right side
    64,865.28x = 3,238,995,934.01
  5. Step 5: Solve for x
    x = 3,238,995,934.01/64,865.28
  6. Step 6: Final answer
    x = 49,934.20

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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.