Home / 78,190.20-117,277.74-22,029.48

Finding the Fourth Proportional to 78,190.20, 117,277.74 and 22,029.48

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Solution

The fourth proportional to 78,190.20, 117,277.74 and 22,029.48 is: 33,042.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,190.20 : 117,277.74 = 22,029.48 : x
  2. Step 2: Convert to fraction form
    78,190.20/117,277.74 = 22,029.48/x
  3. Step 3: Cross multiply
    78,190.20x = 117,277.74 × 22,029.48
  4. Step 4: Simplify right side
    78,190.20x = 2,583,567,627.78
  5. Step 5: Solve for x
    x = 2,583,567,627.78/78,190.20
  6. Step 6: Final answer
    x = 33,042.09

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1.5x scale

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.