Home / 43,861.68-65,796.70-12,271.76

Finding the Fourth Proportional to 43,861.68, 65,796.70 and 12,271.76

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Solution

The fourth proportional to 43,861.68, 65,796.70 and 12,271.76 is: 18,408.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,861.68 : 65,796.70 = 12,271.76 : x
  2. Step 2: Convert to fraction form
    43,861.68/65,796.70 = 12,271.76/x
  3. Step 3: Cross multiply
    43,861.68x = 65,796.70 × 12,271.76
  4. Step 4: Simplify right side
    43,861.68x = 807,441,311.19
  5. Step 5: Solve for x
    x = 807,441,311.19/43,861.68
  6. Step 6: Final answer
    x = 18,408.81

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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.