Home / 69,181.40-103,705.68-44,150.78

Finding the Fourth Proportional to 69,181.40, 103,705.68 and 44,150.78

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Solution

The fourth proportional to 69,181.40, 103,705.68 and 44,150.78 is: 66,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,181.40 : 103,705.68 = 44,150.78 : x
  2. Step 2: Convert to fraction form
    69,181.40/103,705.68 = 44,150.78/x
  3. Step 3: Cross multiply
    69,181.40x = 103,705.68 × 44,150.78
  4. Step 4: Simplify right side
    69,181.40x = 4,578,686,662.43
  5. Step 5: Solve for x
    x = 4,578,686,662.43/69,181.40
  6. Step 6: Final answer
    x = 66,183.78

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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.