Home / 43,986.56-65,979.96-10,706.62

Finding the Fourth Proportional to 43,986.56, 65,979.96 and 10,706.62

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Solution

The fourth proportional to 43,986.56, 65,979.96 and 10,706.62 is: 16,059.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,986.56 : 65,979.96 = 10,706.62 : x
  2. Step 2: Convert to fraction form
    43,986.56/65,979.96 = 10,706.62/x
  3. Step 3: Cross multiply
    43,986.56x = 65,979.96 × 10,706.62
  4. Step 4: Simplify right side
    43,986.56x = 706,422,359.34
  5. Step 5: Solve for x
    x = 706,422,359.34/43,986.56
  6. Step 6: Final answer
    x = 16,059.96

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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.