Home / 64,933.92-89,593.29-36,639.68

Finding the Fourth Proportional to 64,933.92, 89,593.29 and 36,639.68

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Solution

The fourth proportional to 64,933.92, 89,593.29 and 36,639.68 is: 50,553.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,933.92 : 89,593.29 = 36,639.68 : x
  2. Step 2: Convert to fraction form
    64,933.92/89,593.29 = 36,639.68/x
  3. Step 3: Cross multiply
    64,933.92x = 89,593.29 × 36,639.68
  4. Step 4: Simplify right side
    64,933.92x = 3,282,669,027.78
  5. Step 5: Solve for x
    x = 3,282,669,027.78/64,933.92
  6. Step 6: Final answer
    x = 50,553.99

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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.