Home / 78,194.96-117,299.36-22,035.56

Finding the Fourth Proportional to 78,194.96, 117,299.36 and 22,035.56

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Solution

The fourth proportional to 78,194.96, 117,299.36 and 22,035.56 is: 33,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,194.96 : 117,299.36 = 22,035.56 : x
  2. Step 2: Convert to fraction form
    78,194.96/117,299.36 = 22,035.56/x
  3. Step 3: Cross multiply
    78,194.96x = 117,299.36 × 22,035.56
  4. Step 4: Simplify right side
    78,194.96x = 2,584,757,085.24
  5. Step 5: Solve for x
    x = 2,584,757,085.24/78,194.96
  6. Step 6: Final answer
    x = 33,055.29

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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.