Home / 103,691.62-155,504.55-33,554.50

Finding the Fourth Proportional to 103,691.62, 155,504.55 and 33,554.50

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Solution

The fourth proportional to 103,691.62, 155,504.55 and 33,554.50 is: 50,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,691.62 : 155,504.55 = 33,554.50 : x
  2. Step 2: Convert to fraction form
    103,691.62/155,504.55 = 33,554.50/x
  3. Step 3: Cross multiply
    103,691.62x = 155,504.55 × 33,554.50
  4. Step 4: Simplify right side
    103,691.62x = 5,217,877,422.98
  5. Step 5: Solve for x
    x = 5,217,877,422.98/103,691.62
  6. Step 6: Final answer
    x = 50,321.11

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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.