Home / 43,933.13-65,904.11-12,343.27

Finding the Fourth Proportional to 43,933.13, 65,904.11 and 12,343.27

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Solution

The fourth proportional to 43,933.13, 65,904.11 and 12,343.27 is: 18,516.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,933.13 : 65,904.11 = 12,343.27 : x
  2. Step 2: Convert to fraction form
    43,933.13/65,904.11 = 12,343.27/x
  3. Step 3: Cross multiply
    43,933.13x = 65,904.11 × 12,343.27
  4. Step 4: Simplify right side
    43,933.13x = 813,471,832.60
  5. Step 5: Solve for x
    x = 813,471,832.60/43,933.13
  6. Step 6: Final answer
    x = 18,516.14

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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.