Home / 103,611.12-155,416.68-33,490.44

Finding the Fourth Proportional to 103,611.12, 155,416.68 and 33,490.44

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Solution

The fourth proportional to 103,611.12, 155,416.68 and 33,490.44 is: 50,235.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,611.12 : 155,416.68 = 33,490.44 : x
  2. Step 2: Convert to fraction form
    103,611.12/155,416.68 = 33,490.44/x
  3. Step 3: Cross multiply
    103,611.12x = 155,416.68 × 33,490.44
  4. Step 4: Simplify right side
    103,611.12x = 5,204,972,996.54
  5. Step 5: Solve for x
    x = 5,204,972,996.54/103,611.12
  6. Step 6: Final answer
    x = 50,235.66

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1.5x scale

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.