Home / 43,979.43-65,969.19-10,699.49

Finding the Fourth Proportional to 43,979.43, 65,969.19 and 10,699.49

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Solution

The fourth proportional to 43,979.43, 65,969.19 and 10,699.49 is: 16,049.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,979.43 : 65,969.19 = 10,699.49 : x
  2. Step 2: Convert to fraction form
    43,979.43/65,969.19 = 10,699.49/x
  3. Step 3: Cross multiply
    43,979.43x = 65,969.19 × 10,699.49
  4. Step 4: Simplify right side
    43,979.43x = 705,836,792.05
  5. Step 5: Solve for x
    x = 705,836,792.05/43,979.43
  6. Step 6: Final answer
    x = 16,049.25

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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.