Home / 55,194.12-82,781.37-23,621.94

Finding the Fourth Proportional to 55,194.12, 82,781.37 and 23,621.94

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Solution

The fourth proportional to 55,194.12, 82,781.37 and 23,621.94 is: 35,428.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,194.12 : 82,781.37 = 23,621.94 : x
  2. Step 2: Convert to fraction form
    55,194.12/82,781.37 = 23,621.94/x
  3. Step 3: Cross multiply
    55,194.12x = 82,781.37 × 23,621.94
  4. Step 4: Simplify right side
    55,194.12x = 1,955,456,555.26
  5. Step 5: Solve for x
    x = 1,955,456,555.26/55,194.12
  6. Step 6: Final answer
    x = 35,428.71

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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.