Home / 71,349.12-106,885.44-54,898.56

Finding the Fourth Proportional to 71,349.12, 106,885.44 and 54,898.56

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Solution

The fourth proportional to 71,349.12, 106,885.44 and 54,898.56 is: 82,241.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,349.12 : 106,885.44 = 54,898.56 : x
  2. Step 2: Convert to fraction form
    71,349.12/106,885.44 = 54,898.56/x
  3. Step 3: Cross multiply
    71,349.12x = 106,885.44 × 54,898.56
  4. Step 4: Simplify right side
    71,349.12x = 5,867,856,740.97
  5. Step 5: Solve for x
    x = 5,867,856,740.97/71,349.12
  6. Step 6: Final answer
    x = 82,241.47

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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.