Home / 51,113.22-70,540.64-28,451.44

Finding the Fourth Proportional to 51,113.22, 70,540.64 and 28,451.44

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Solution

The fourth proportional to 51,113.22, 70,540.64 and 28,451.44 is: 39,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,113.22 : 70,540.64 = 28,451.44 : x
  2. Step 2: Convert to fraction form
    51,113.22/70,540.64 = 28,451.44/x
  3. Step 3: Cross multiply
    51,113.22x = 70,540.64 × 28,451.44
  4. Step 4: Simplify right side
    51,113.22x = 2,006,982,786.52
  5. Step 5: Solve for x
    x = 2,006,982,786.52/51,113.22
  6. Step 6: Final answer
    x = 39,265.43

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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.