Home / 125,722.09-188,589.04-41,489.61

Finding the Fourth Proportional to 125,722.09, 188,589.04 and 41,489.61

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Solution

The fourth proportional to 125,722.09, 188,589.04 and 41,489.61 is: 62,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,722.09 : 188,589.04 = 41,489.61 : x
  2. Step 2: Convert to fraction form
    125,722.09/188,589.04 = 41,489.61/x
  3. Step 3: Cross multiply
    125,722.09x = 188,589.04 × 41,489.61
  4. Step 4: Simplify right side
    125,722.09x = 7,824,485,719.87
  5. Step 5: Solve for x
    x = 7,824,485,719.87/125,722.09
  6. Step 6: Final answer
    x = 62,236.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.