Home / 43,163.33-64,748.79-13,184.34

Finding the Fourth Proportional to 43,163.33, 64,748.79 and 13,184.34

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Solution

The fourth proportional to 43,163.33, 64,748.79 and 13,184.34 is: 19,777.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,163.33 : 64,748.79 = 13,184.34 : x
  2. Step 2: Convert to fraction form
    43,163.33/64,748.79 = 13,184.34/x
  3. Step 3: Cross multiply
    43,163.33x = 64,748.79 × 13,184.34
  4. Step 4: Simplify right side
    43,163.33x = 853,669,819.14
  5. Step 5: Solve for x
    x = 853,669,819.14/43,163.33
  6. Step 6: Final answer
    x = 19,777.67

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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.