Home / 105,846.13-146,067.11-58,100.29

Finding the Fourth Proportional to 105,846.13, 146,067.11 and 58,100.29

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Solution

The fourth proportional to 105,846.13, 146,067.11 and 58,100.29 is: 80,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,846.13 : 146,067.11 = 58,100.29 : x
  2. Step 2: Convert to fraction form
    105,846.13/146,067.11 = 58,100.29/x
  3. Step 3: Cross multiply
    105,846.13x = 146,067.11 × 58,100.29
  4. Step 4: Simplify right side
    105,846.13x = 8,486,541,159.96
  5. Step 5: Solve for x
    x = 8,486,541,159.96/105,846.13
  6. Step 6: Final answer
    x = 80,178.10

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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.