Home / 79,516.96-109,732.48-43,706.04

Finding the Fourth Proportional to 79,516.96, 109,732.48 and 43,706.04

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Solution

The fourth proportional to 79,516.96, 109,732.48 and 43,706.04 is: 60,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,516.96 : 109,732.48 = 43,706.04 : x
  2. Step 2: Convert to fraction form
    79,516.96/109,732.48 = 43,706.04/x
  3. Step 3: Cross multiply
    79,516.96x = 109,732.48 × 43,706.04
  4. Step 4: Simplify right side
    79,516.96x = 4,795,972,160.18
  5. Step 5: Solve for x
    x = 4,795,972,160.18/79,516.96
  6. Step 6: Final answer
    x = 60,313.83

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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.