Home / 71,427.18-107,158.60-50,408.27

Finding the Fourth Proportional to 71,427.18, 107,158.60 and 50,408.27

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Solution

The fourth proportional to 71,427.18, 107,158.60 and 50,408.27 is: 75,624.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,427.18 : 107,158.60 = 50,408.27 : x
  2. Step 2: Convert to fraction form
    71,427.18/107,158.60 = 50,408.27/x
  3. Step 3: Cross multiply
    71,427.18x = 107,158.60 × 50,408.27
  4. Step 4: Simplify right side
    71,427.18x = 5,401,679,349.11
  5. Step 5: Solve for x
    x = 5,401,679,349.11/71,427.18
  6. Step 6: Final answer
    x = 75,624.99

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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.