Home / 108,836.20-163,052.70-61,949.80

Finding the Fourth Proportional to 108,836.20, 163,052.70 and 61,949.80

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Solution

The fourth proportional to 108,836.20, 163,052.70 and 61,949.80 is: 92,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,836.20 : 163,052.70 = 61,949.80 : x
  2. Step 2: Convert to fraction form
    108,836.20/163,052.70 = 61,949.80/x
  3. Step 3: Cross multiply
    108,836.20x = 163,052.70 × 61,949.80
  4. Step 4: Simplify right side
    108,836.20x = 10,101,082,154.46
  5. Step 5: Solve for x
    x = 10,101,082,154.46/108,836.20
  6. Step 6: Final answer
    x = 92,809.95

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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.