Home / 51,760.78-71,429.45-29,099.88

Finding the Fourth Proportional to 51,760.78, 71,429.45 and 29,099.88

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Solution

The fourth proportional to 51,760.78, 71,429.45 and 29,099.88 is: 40,157.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,760.78 : 71,429.45 = 29,099.88 : x
  2. Step 2: Convert to fraction form
    51,760.78/71,429.45 = 29,099.88/x
  3. Step 3: Cross multiply
    51,760.78x = 71,429.45 × 29,099.88
  4. Step 4: Simplify right side
    51,760.78x = 2,078,587,993.57
  5. Step 5: Solve for x
    x = 2,078,587,993.57/51,760.78
  6. Step 6: Final answer
    x = 40,157.58

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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.