Home / 64,836.78-89,482.44-36,161.11

Finding the Fourth Proportional to 64,836.78, 89,482.44 and 36,161.11

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Solution

The fourth proportional to 64,836.78, 89,482.44 and 36,161.11 is: 49,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,836.78 : 89,482.44 = 36,161.11 : x
  2. Step 2: Convert to fraction form
    64,836.78/89,482.44 = 36,161.11/x
  3. Step 3: Cross multiply
    64,836.78x = 89,482.44 × 36,161.11
  4. Step 4: Simplify right side
    64,836.78x = 3,235,784,355.91
  5. Step 5: Solve for x
    x = 3,235,784,355.91/64,836.78
  6. Step 6: Final answer
    x = 49,906.62

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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.