Home / 43,105.67-64,651.14-11,933.63

Finding the Fourth Proportional to 43,105.67, 64,651.14 and 11,933.63

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Solution

The fourth proportional to 43,105.67, 64,651.14 and 11,933.63 is: 17,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,105.67 : 64,651.14 = 11,933.63 : x
  2. Step 2: Convert to fraction form
    43,105.67/64,651.14 = 11,933.63/x
  3. Step 3: Cross multiply
    43,105.67x = 64,651.14 × 11,933.63
  4. Step 4: Simplify right side
    43,105.67x = 771,522,460.58
  5. Step 5: Solve for x
    x = 771,522,460.58/43,105.67
  6. Step 6: Final answer
    x = 17,898.40

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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.