Home / 106,131.12-146,460.96-58,387.68

Finding the Fourth Proportional to 106,131.12, 146,460.96 and 58,387.68

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Solution

The fourth proportional to 106,131.12, 146,460.96 and 58,387.68 is: 80,575.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,131.12 : 146,460.96 = 58,387.68 : x
  2. Step 2: Convert to fraction form
    106,131.12/146,460.96 = 58,387.68/x
  3. Step 3: Cross multiply
    106,131.12x = 146,460.96 × 58,387.68
  4. Step 4: Simplify right side
    106,131.12x = 8,551,515,664.97
  5. Step 5: Solve for x
    x = 8,551,515,664.97/106,131.12
  6. Step 6: Final answer
    x = 80,575.01

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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.