Home / 62,861.40-94,311.78-20,771.06

Finding the Fourth Proportional to 62,861.40, 94,311.78 and 20,771.06

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Solution

The fourth proportional to 62,861.40, 94,311.78 and 20,771.06 is: 31,163.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,861.40 : 94,311.78 = 20,771.06 : x
  2. Step 2: Convert to fraction form
    62,861.40/94,311.78 = 20,771.06/x
  3. Step 3: Cross multiply
    62,861.40x = 94,311.78 × 20,771.06
  4. Step 4: Simplify right side
    62,861.40x = 1,958,955,169.53
  5. Step 5: Solve for x
    x = 1,958,955,169.53/62,861.40
  6. Step 6: Final answer
    x = 31,163.09

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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.