Home / 74,313.62-111,404.82-56,861.36

Finding the Fourth Proportional to 74,313.62, 111,404.82 and 56,861.36

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Solution

The fourth proportional to 74,313.62, 111,404.82 and 56,861.36 is: 85,241.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,313.62 : 111,404.82 = 56,861.36 : x
  2. Step 2: Convert to fraction form
    74,313.62/111,404.82 = 56,861.36/x
  3. Step 3: Cross multiply
    74,313.62x = 111,404.82 × 56,861.36
  4. Step 4: Simplify right side
    74,313.62x = 6,334,628,734.42
  5. Step 5: Solve for x
    x = 6,334,628,734.42/74,313.62
  6. Step 6: Final answer
    x = 85,241.83

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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.