Home / 52,968.78-73,144.38-39,516.68

Finding the Fourth Proportional to 52,968.78, 73,144.38 and 39,516.68

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Solution

The fourth proportional to 52,968.78, 73,144.38 and 39,516.68 is: 54,568.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,968.78 : 73,144.38 = 39,516.68 : x
  2. Step 2: Convert to fraction form
    52,968.78/73,144.38 = 39,516.68/x
  3. Step 3: Cross multiply
    52,968.78x = 73,144.38 × 39,516.68
  4. Step 4: Simplify right side
    52,968.78x = 2,890,423,058.26
  5. Step 5: Solve for x
    x = 2,890,423,058.26/52,968.78
  6. Step 6: Final answer
    x = 54,568.43

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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.