Home / 78,192.22-117,288.79-22,032.80

Finding the Fourth Proportional to 78,192.22, 117,288.79 and 22,032.80

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Solution

The fourth proportional to 78,192.22, 117,288.79 and 22,032.80 is: 33,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,192.22 : 117,288.79 = 22,032.80 : x
  2. Step 2: Convert to fraction form
    78,192.22/117,288.79 = 22,032.80/x
  3. Step 3: Cross multiply
    78,192.22x = 117,288.79 × 22,032.80
  4. Step 4: Simplify right side
    78,192.22x = 2,584,200,452.31
  5. Step 5: Solve for x
    x = 2,584,200,452.31/78,192.22
  6. Step 6: Final answer
    x = 33,049.33

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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.