Home / 103,155.11-154,757.27-36,601.05

Finding the Fourth Proportional to 103,155.11, 154,757.27 and 36,601.05

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Solution

The fourth proportional to 103,155.11, 154,757.27 and 36,601.05 is: 54,910.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,155.11 : 154,757.27 = 36,601.05 : x
  2. Step 2: Convert to fraction form
    103,155.11/154,757.27 = 36,601.05/x
  3. Step 3: Cross multiply
    103,155.11x = 154,757.27 × 36,601.05
  4. Step 4: Simplify right side
    103,155.11x = 5,664,278,577.13
  5. Step 5: Solve for x
    x = 5,664,278,577.13/103,155.11
  6. Step 6: Final answer
    x = 54,910.31

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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.