Home / 69,455.50-104,183.16-16,864.90

Finding the Fourth Proportional to 69,455.50, 104,183.16 and 16,864.90

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Solution

The fourth proportional to 69,455.50, 104,183.16 and 16,864.90 is: 25,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,455.50 : 104,183.16 = 16,864.90 : x
  2. Step 2: Convert to fraction form
    69,455.50/104,183.16 = 16,864.90/x
  3. Step 3: Cross multiply
    69,455.50x = 104,183.16 × 16,864.90
  4. Step 4: Simplify right side
    69,455.50x = 1,757,038,575.08
  5. Step 5: Solve for x
    x = 1,757,038,575.08/69,455.50
  6. Step 6: Final answer
    x = 25,297.33

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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.