Home / 43,101.99-64,652.18-11,936.43

Finding the Fourth Proportional to 43,101.99, 64,652.18 and 11,936.43

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Solution

The fourth proportional to 43,101.99, 64,652.18 and 11,936.43 is: 17,904.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,101.99 : 64,652.18 = 11,936.43 : x
  2. Step 2: Convert to fraction form
    43,101.99/64,652.18 = 11,936.43/x
  3. Step 3: Cross multiply
    43,101.99x = 64,652.18 × 11,936.43
  4. Step 4: Simplify right side
    43,101.99x = 771,716,161.24
  5. Step 5: Solve for x
    x = 771,716,161.24/43,101.99
  6. Step 6: Final answer
    x = 17,904.42

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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.