Home / 43,331.38-64,999.39-12,169.06

Finding the Fourth Proportional to 43,331.38, 64,999.39 and 12,169.06

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Solution

The fourth proportional to 43,331.38, 64,999.39 and 12,169.06 is: 18,254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,331.38 : 64,999.39 = 12,169.06 : x
  2. Step 2: Convert to fraction form
    43,331.38/64,999.39 = 12,169.06/x
  3. Step 3: Cross multiply
    43,331.38x = 64,999.39 × 12,169.06
  4. Step 4: Simplify right side
    43,331.38x = 790,981,476.87
  5. Step 5: Solve for x
    x = 790,981,476.87/43,331.38
  6. Step 6: Final answer
    x = 18,254.24

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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.