Home / 49,201.22-73,792.64-13,178.09

Finding the Fourth Proportional to 49,201.22, 73,792.64 and 13,178.09

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Solution

The fourth proportional to 49,201.22, 73,792.64 and 13,178.09 is: 19,764.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,201.22 : 73,792.64 = 13,178.09 : x
  2. Step 2: Convert to fraction form
    49,201.22/73,792.64 = 13,178.09/x
  3. Step 3: Cross multiply
    49,201.22x = 73,792.64 × 13,178.09
  4. Step 4: Simplify right side
    49,201.22x = 972,445,715.24
  5. Step 5: Solve for x
    x = 972,445,715.24/49,201.22
  6. Step 6: Final answer
    x = 19,764.67

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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.