Home / 44,414.20-66,621.30-18,137.80

Finding the Fourth Proportional to 44,414.20, 66,621.30 and 18,137.80

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Solution

The fourth proportional to 44,414.20, 66,621.30 and 18,137.80 is: 27,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,414.20 : 66,621.30 = 18,137.80 : x
  2. Step 2: Convert to fraction form
    44,414.20/66,621.30 = 18,137.80/x
  3. Step 3: Cross multiply
    44,414.20x = 66,621.30 × 18,137.80
  4. Step 4: Simplify right side
    44,414.20x = 1,208,363,815.14
  5. Step 5: Solve for x
    x = 1,208,363,815.14/44,414.20
  6. Step 6: Final answer
    x = 27,206.70

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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.