Home / 43,091.34-64,636.92-11,926.50

Finding the Fourth Proportional to 43,091.34, 64,636.92 and 11,926.50

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Solution

The fourth proportional to 43,091.34, 64,636.92 and 11,926.50 is: 17,889.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,091.34 : 64,636.92 = 11,926.50 : x
  2. Step 2: Convert to fraction form
    43,091.34/64,636.92 = 11,926.50/x
  3. Step 3: Cross multiply
    43,091.34x = 64,636.92 × 11,926.50
  4. Step 4: Simplify right side
    43,091.34x = 770,892,226.38
  5. Step 5: Solve for x
    x = 770,892,226.38/43,091.34
  6. Step 6: Final answer
    x = 17,889.73

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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.