Home / 57,380.42-85,493.91-54,157.45

Finding the Fourth Proportional to 57,380.42, 85,493.91 and 54,157.45

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Solution

The fourth proportional to 57,380.42, 85,493.91 and 54,157.45 is: 80,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,380.42 : 85,493.91 = 54,157.45 : x
  2. Step 2: Convert to fraction form
    57,380.42/85,493.91 = 54,157.45/x
  3. Step 3: Cross multiply
    57,380.42x = 85,493.91 × 54,157.45
  4. Step 4: Simplify right side
    57,380.42x = 4,630,132,156.13
  5. Step 5: Solve for x
    x = 4,630,132,156.13/57,380.42
  6. Step 6: Final answer
    x = 80,691.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.