Home / 57,741.68-79,738.55-54,596.85

Finding the Fourth Proportional to 57,741.68, 79,738.55 and 54,596.85

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Solution

The fourth proportional to 57,741.68, 79,738.55 and 54,596.85 is: 75,395.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,741.68 : 79,738.55 = 54,596.85 : x
  2. Step 2: Convert to fraction form
    57,741.68/79,738.55 = 54,596.85/x
  3. Step 3: Cross multiply
    57,741.68x = 79,738.55 × 54,596.85
  4. Step 4: Simplify right side
    57,741.68x = 4,353,473,286.30
  5. Step 5: Solve for x
    x = 4,353,473,286.30/57,741.68
  6. Step 6: Final answer
    x = 75,395.68

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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.