Home / 69,183.40-103,708.68-44,152.78

Finding the Fourth Proportional to 69,183.40, 103,708.68 and 44,152.78

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Solution

The fourth proportional to 69,183.40, 103,708.68 and 44,152.78 is: 66,186.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,183.40 : 103,708.68 = 44,152.78 : x
  2. Step 2: Convert to fraction form
    69,183.40/103,708.68 = 44,152.78/x
  3. Step 3: Cross multiply
    69,183.40x = 103,708.68 × 44,152.78
  4. Step 4: Simplify right side
    69,183.40x = 4,579,026,532.13
  5. Step 5: Solve for x
    x = 4,579,026,532.13/69,183.40
  6. Step 6: Final answer
    x = 66,186.78

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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.