Home / 96,042.31-132,415.17-78,750.96

Finding the Fourth Proportional to 96,042.31, 132,415.17 and 78,750.96

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Solution

The fourth proportional to 96,042.31, 132,415.17 and 78,750.96 is: 108,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,042.31 : 132,415.17 = 78,750.96 : x
  2. Step 2: Convert to fraction form
    96,042.31/132,415.17 = 78,750.96/x
  3. Step 3: Cross multiply
    96,042.31x = 132,415.17 × 78,750.96
  4. Step 4: Simplify right side
    96,042.31x = 10,427,822,524.42
  5. Step 5: Solve for x
    x = 10,427,822,524.42/96,042.31
  6. Step 6: Final answer
    x = 108,575.30

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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.