Home / 105,858.94-146,079.97-62,840.27

Finding the Fourth Proportional to 105,858.94, 146,079.97 and 62,840.27

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Solution

The fourth proportional to 105,858.94, 146,079.97 and 62,840.27 is: 86,716.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,858.94 : 146,079.97 = 62,840.27 : x
  2. Step 2: Convert to fraction form
    105,858.94/146,079.97 = 62,840.27/x
  3. Step 3: Cross multiply
    105,858.94x = 146,079.97 × 62,840.27
  4. Step 4: Simplify right side
    105,858.94x = 9,179,704,756.39
  5. Step 5: Solve for x
    x = 9,179,704,756.39/105,858.94
  6. Step 6: Final answer
    x = 86,716.39

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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.