Home / 51,720.97-71,383.25-48,344.11

Finding the Fourth Proportional to 51,720.97, 71,383.25 and 48,344.11

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Solution

The fourth proportional to 51,720.97, 71,383.25 and 48,344.11 is: 66,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,720.97 : 71,383.25 = 48,344.11 : x
  2. Step 2: Convert to fraction form
    51,720.97/71,383.25 = 48,344.11/x
  3. Step 3: Cross multiply
    51,720.97x = 71,383.25 × 48,344.11
  4. Step 4: Simplify right side
    51,720.97x = 3,450,959,690.16
  5. Step 5: Solve for x
    x = 3,450,959,690.16/51,720.97
  6. Step 6: Final answer
    x = 66,722.64

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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.