Home / 103,161.13-154,690.66-36,591.28

Finding the Fourth Proportional to 103,161.13, 154,690.66 and 36,591.28

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Solution

The fourth proportional to 103,161.13, 154,690.66 and 36,591.28 is: 54,868.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,161.13 : 154,690.66 = 36,591.28 : x
  2. Step 2: Convert to fraction form
    103,161.13/154,690.66 = 36,591.28/x
  3. Step 3: Cross multiply
    103,161.13x = 154,690.66 × 36,591.28
  4. Step 4: Simplify right side
    103,161.13x = 5,660,328,912.46
  5. Step 5: Solve for x
    x = 5,660,328,912.46/103,161.13
  6. Step 6: Final answer
    x = 54,868.82

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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.