Home / 75,170.20-103,733.54-41,179.36

Finding the Fourth Proportional to 75,170.20, 103,733.54 and 41,179.36

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Solution

The fourth proportional to 75,170.20, 103,733.54 and 41,179.36 is: 56,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,170.20 : 103,733.54 = 41,179.36 : x
  2. Step 2: Convert to fraction form
    75,170.20/103,733.54 = 41,179.36/x
  3. Step 3: Cross multiply
    75,170.20x = 103,733.54 × 41,179.36
  4. Step 4: Simplify right side
    75,170.20x = 4,271,680,787.73
  5. Step 5: Solve for x
    x = 4,271,680,787.73/75,170.20
  6. Step 6: Final answer
    x = 56,826.78

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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.