Home / 47,658.20-71,438.70-27,926.60

Finding the Fourth Proportional to 47,658.20, 71,438.70 and 27,926.60

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Solution

The fourth proportional to 47,658.20, 71,438.70 and 27,926.60 is: 41,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,658.20 : 71,438.70 = 27,926.60 : x
  2. Step 2: Convert to fraction form
    47,658.20/71,438.70 = 27,926.60/x
  3. Step 3: Cross multiply
    47,658.20x = 71,438.70 × 27,926.60
  4. Step 4: Simplify right side
    47,658.20x = 1,995,039,999.42
  5. Step 5: Solve for x
    x = 1,995,039,999.42/47,658.20
  6. Step 6: Final answer
    x = 41,861.42

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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.