Home / 106,142.12-146,476.11-58,394.43

Finding the Fourth Proportional to 106,142.12, 146,476.11 and 58,394.43

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Solution

The fourth proportional to 106,142.12, 146,476.11 and 58,394.43 is: 80,584.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,142.12 : 146,476.11 = 58,394.43 : x
  2. Step 2: Convert to fraction form
    106,142.12/146,476.11 = 58,394.43/x
  3. Step 3: Cross multiply
    106,142.12x = 146,476.11 × 58,394.43
  4. Step 4: Simplify right side
    106,142.12x = 8,553,388,952.07
  5. Step 5: Solve for x
    x = 8,553,388,952.07/106,142.12
  6. Step 6: Final answer
    x = 80,584.31

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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.