Home / 103,780.54-155,692.66-33,654.38

Finding the Fourth Proportional to 103,780.54, 155,692.66 and 33,654.38

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Solution

The fourth proportional to 103,780.54, 155,692.66 and 33,654.38 is: 50,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,780.54 : 155,692.66 = 33,654.38 : x
  2. Step 2: Convert to fraction form
    103,780.54/155,692.66 = 33,654.38/x
  3. Step 3: Cross multiply
    103,780.54x = 155,692.66 × 33,654.38
  4. Step 4: Simplify right side
    103,780.54x = 5,239,739,942.85
  5. Step 5: Solve for x
    x = 5,239,739,942.85/103,780.54
  6. Step 6: Final answer
    x = 50,488.66

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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.