Home / 106,516.62-146,992.92-58,770.06

Finding the Fourth Proportional to 106,516.62, 146,992.92 and 58,770.06

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Solution

The fourth proportional to 106,516.62, 146,992.92 and 58,770.06 is: 81,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,516.62 : 146,992.92 = 58,770.06 : x
  2. Step 2: Convert to fraction form
    106,516.62/146,992.92 = 58,770.06/x
  3. Step 3: Cross multiply
    106,516.62x = 146,992.92 × 58,770.06
  4. Step 4: Simplify right side
    106,516.62x = 8,638,782,727.98
  5. Step 5: Solve for x
    x = 8,638,782,727.98/106,516.62
  6. Step 6: Final answer
    x = 81,102.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.