Home / 43,045.62-64,568.42-13,463.61

Finding the Fourth Proportional to 43,045.62, 64,568.42 and 13,463.61

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Solution

The fourth proportional to 43,045.62, 64,568.42 and 13,463.61 is: 20,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,045.62 : 64,568.42 = 13,463.61 : x
  2. Step 2: Convert to fraction form
    43,045.62/64,568.42 = 13,463.61/x
  3. Step 3: Cross multiply
    43,045.62x = 64,568.42 × 13,463.61
  4. Step 4: Simplify right side
    43,045.62x = 869,324,025.20
  5. Step 5: Solve for x
    x = 869,324,025.20/43,045.62
  6. Step 6: Final answer
    x = 20,195.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.