Home / 57,616.24-79,504.68-42,517.12

Finding the Fourth Proportional to 57,616.24, 79,504.68 and 42,517.12

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Solution

The fourth proportional to 57,616.24, 79,504.68 and 42,517.12 is: 58,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,616.24 : 79,504.68 = 42,517.12 : x
  2. Step 2: Convert to fraction form
    57,616.24/79,504.68 = 42,517.12/x
  3. Step 3: Cross multiply
    57,616.24x = 79,504.68 × 42,517.12
  4. Step 4: Simplify right side
    57,616.24x = 3,380,310,020.12
  5. Step 5: Solve for x
    x = 3,380,310,020.12/57,616.24
  6. Step 6: Final answer
    x = 58,669.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.