Home / 105,958.26-146,222.48-58,211.69

Finding the Fourth Proportional to 105,958.26, 146,222.48 and 58,211.69

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Solution

The fourth proportional to 105,958.26, 146,222.48 and 58,211.69 is: 80,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,958.26 : 146,222.48 = 58,211.69 : x
  2. Step 2: Convert to fraction form
    105,958.26/146,222.48 = 58,211.69/x
  3. Step 3: Cross multiply
    105,958.26x = 146,222.48 × 58,211.69
  4. Step 4: Simplify right side
    105,958.26x = 8,511,857,091.21
  5. Step 5: Solve for x
    x = 8,511,857,091.21/105,958.26
  6. Step 6: Final answer
    x = 80,332.17

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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.