Home / 215,832.75-323,748.90-58,061.21

Finding the Fourth Proportional to 215,832.75, 323,748.90 and 58,061.21

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Solution

The fourth proportional to 215,832.75, 323,748.90 and 58,061.21 is: 87,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,832.75 : 323,748.90 = 58,061.21 : x
  2. Step 2: Convert to fraction form
    215,832.75/323,748.90 = 58,061.21/x
  3. Step 3: Cross multiply
    215,832.75x = 323,748.90 × 58,061.21
  4. Step 4: Simplify right side
    215,832.75x = 18,797,251,251.42
  5. Step 5: Solve for x
    x = 18,797,251,251.42/215,832.75
  6. Step 6: Final answer
    x = 87,091.75

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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.