Home / 105,839.92-146,060.97-58,097.71

Finding the Fourth Proportional to 105,839.92, 146,060.97 and 58,097.71

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Solution

The fourth proportional to 105,839.92, 146,060.97 and 58,097.71 is: 80,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,839.92 : 146,060.97 = 58,097.71 : x
  2. Step 2: Convert to fraction form
    105,839.92/146,060.97 = 58,097.71/x
  3. Step 3: Cross multiply
    105,839.92x = 146,060.97 × 58,097.71
  4. Step 4: Simplify right side
    105,839.92x = 8,485,807,147.07
  5. Step 5: Solve for x
    x = 8,485,807,147.07/105,839.92
  6. Step 6: Final answer
    x = 80,175.87

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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.