Home / 105,800.82-146,008.35-58,057.26

Finding the Fourth Proportional to 105,800.82, 146,008.35 and 58,057.26

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Solution

The fourth proportional to 105,800.82, 146,008.35 and 58,057.26 is: 80,120.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,800.82 : 146,008.35 = 58,057.26 : x
  2. Step 2: Convert to fraction form
    105,800.82/146,008.35 = 58,057.26/x
  3. Step 3: Cross multiply
    105,800.82x = 146,008.35 × 58,057.26
  4. Step 4: Simplify right side
    105,800.82x = 8,476,844,738.12
  5. Step 5: Solve for x
    x = 8,476,844,738.12/105,800.82
  6. Step 6: Final answer
    x = 80,120.78

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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.