Home / 88,031.88-132,057.39-28,046.31

Finding the Fourth Proportional to 88,031.88, 132,057.39 and 28,046.31

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Solution

The fourth proportional to 88,031.88, 132,057.39 and 28,046.31 is: 42,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,031.88 : 132,057.39 = 28,046.31 : x
  2. Step 2: Convert to fraction form
    88,031.88/132,057.39 = 28,046.31/x
  3. Step 3: Cross multiply
    88,031.88x = 132,057.39 × 28,046.31
  4. Step 4: Simplify right side
    88,031.88x = 3,703,722,497.73
  5. Step 5: Solve for x
    x = 3,703,722,497.73/88,031.88
  6. Step 6: Final answer
    x = 42,072.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.