Home / 57,078.11-85,593.09-17,102.78

Finding the Fourth Proportional to 57,078.11, 85,593.09 and 17,102.78

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Solution

The fourth proportional to 57,078.11, 85,593.09 and 17,102.78 is: 25,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,078.11 : 85,593.09 = 17,102.78 : x
  2. Step 2: Convert to fraction form
    57,078.11/85,593.09 = 17,102.78/x
  3. Step 3: Cross multiply
    57,078.11x = 85,593.09 × 17,102.78
  4. Step 4: Simplify right side
    57,078.11x = 1,463,879,744.93
  5. Step 5: Solve for x
    x = 1,463,879,744.93/57,078.11
  6. Step 6: Final answer
    x = 25,646.95

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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.