Home / 78,550.46-117,768.24-25,212.02

Finding the Fourth Proportional to 78,550.46, 117,768.24 and 25,212.02

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Solution

The fourth proportional to 78,550.46, 117,768.24 and 25,212.02 is: 37,799.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,550.46 : 117,768.24 = 25,212.02 : x
  2. Step 2: Convert to fraction form
    78,550.46/117,768.24 = 25,212.02/x
  3. Step 3: Cross multiply
    78,550.46x = 117,768.24 × 25,212.02
  4. Step 4: Simplify right side
    78,550.46x = 2,969,175,222.24
  5. Step 5: Solve for x
    x = 2,969,175,222.24/78,550.46
  6. Step 6: Final answer
    x = 37,799.59

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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.