Home / 108,910.28-163,375.50-42,355.41

Finding the Fourth Proportional to 108,910.28, 163,375.50 and 42,355.41

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Solution

The fourth proportional to 108,910.28, 163,375.50 and 42,355.41 is: 63,537.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,910.28 : 163,375.50 = 42,355.41 : x
  2. Step 2: Convert to fraction form
    108,910.28/163,375.50 = 42,355.41/x
  3. Step 3: Cross multiply
    108,910.28x = 163,375.50 × 42,355.41
  4. Step 4: Simplify right side
    108,910.28x = 6,919,836,286.46
  5. Step 5: Solve for x
    x = 6,919,836,286.46/108,910.28
  6. Step 6: Final answer
    x = 63,537.04

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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.