Home / 73,512.23-101,469.71-58,431.65

Finding the Fourth Proportional to 73,512.23, 101,469.71 and 58,431.65

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Solution

The fourth proportional to 73,512.23, 101,469.71 and 58,431.65 is: 80,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,512.23 : 101,469.71 = 58,431.65 : x
  2. Step 2: Convert to fraction form
    73,512.23/101,469.71 = 58,431.65/x
  3. Step 3: Cross multiply
    73,512.23x = 101,469.71 × 58,431.65
  4. Step 4: Simplify right side
    73,512.23x = 5,929,042,219.05
  5. Step 5: Solve for x
    x = 5,929,042,219.05/73,512.23
  6. Step 6: Final answer
    x = 80,653.83

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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.