Home / 57,049.11-78,718.23-33,176.79

Finding the Fourth Proportional to 57,049.11, 78,718.23 and 33,176.79

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Solution

The fourth proportional to 57,049.11, 78,718.23 and 33,176.79 is: 45,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,049.11 : 78,718.23 = 33,176.79 : x
  2. Step 2: Convert to fraction form
    57,049.11/78,718.23 = 33,176.79/x
  3. Step 3: Cross multiply
    57,049.11x = 78,718.23 × 33,176.79
  4. Step 4: Simplify right side
    57,049.11x = 2,611,618,185.88
  5. Step 5: Solve for x
    x = 2,611,618,185.88/57,049.11
  6. Step 6: Final answer
    x = 45,778.42

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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.