Home / 40,774.20-61,161.30-11,196.60

Finding the Fourth Proportional to 40,774.20, 61,161.30 and 11,196.60

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Solution

The fourth proportional to 40,774.20, 61,161.30 and 11,196.60 is: 16,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,774.20 : 61,161.30 = 11,196.60 : x
  2. Step 2: Convert to fraction form
    40,774.20/61,161.30 = 11,196.60/x
  3. Step 3: Cross multiply
    40,774.20x = 61,161.30 × 11,196.60
  4. Step 4: Simplify right side
    40,774.20x = 684,798,611.58
  5. Step 5: Solve for x
    x = 684,798,611.58/40,774.20
  6. Step 6: Final answer
    x = 16,794.90

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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.