Home / 51,760.28-71,431.72-29,106.41

Finding the Fourth Proportional to 51,760.28, 71,431.72 and 29,106.41

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Solution

The fourth proportional to 51,760.28, 71,431.72 and 29,106.41 is: 40,168.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,760.28 : 71,431.72 = 29,106.41 : x
  2. Step 2: Convert to fraction form
    51,760.28/71,431.72 = 29,106.41/x
  3. Step 3: Cross multiply
    51,760.28x = 71,431.72 × 29,106.41
  4. Step 4: Simplify right side
    51,760.28x = 2,079,120,663.12
  5. Step 5: Solve for x
    x = 2,079,120,663.12/51,760.28
  6. Step 6: Final answer
    x = 40,168.26

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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.