Home / 71,725.38-98,975.16-41,512.79

Finding the Fourth Proportional to 71,725.38, 98,975.16 and 41,512.79

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Solution

The fourth proportional to 71,725.38, 98,975.16 and 41,512.79 is: 57,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,725.38 : 98,975.16 = 41,512.79 : x
  2. Step 2: Convert to fraction form
    71,725.38/98,975.16 = 41,512.79/x
  3. Step 3: Cross multiply
    71,725.38x = 98,975.16 × 41,512.79
  4. Step 4: Simplify right side
    71,725.38x = 4,108,734,537.42
  5. Step 5: Solve for x
    x = 4,108,734,537.42/71,725.38
  6. Step 6: Final answer
    x = 57,284.25

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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.