Home / 90,936.07-125,549.22-67,021.09

Finding the Fourth Proportional to 90,936.07, 125,549.22 and 67,021.09

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Solution

The fourth proportional to 90,936.07, 125,549.22 and 67,021.09 is: 92,531.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,936.07 : 125,549.22 = 67,021.09 : x
  2. Step 2: Convert to fraction form
    90,936.07/125,549.22 = 67,021.09/x
  3. Step 3: Cross multiply
    90,936.07x = 125,549.22 × 67,021.09
  4. Step 4: Simplify right side
    90,936.07x = 8,414,445,573.05
  5. Step 5: Solve for x
    x = 8,414,445,573.05/90,936.07
  6. Step 6: Final answer
    x = 92,531.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.