Home / 92,091.76-138,137.67-41,431.61

Finding the Fourth Proportional to 92,091.76, 138,137.67 and 41,431.61

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Solution

The fourth proportional to 92,091.76, 138,137.67 and 41,431.61 is: 62,147.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,091.76 : 138,137.67 = 41,431.61 : x
  2. Step 2: Convert to fraction form
    92,091.76/138,137.67 = 41,431.61/x
  3. Step 3: Cross multiply
    92,091.76x = 138,137.67 × 41,431.61
  4. Step 4: Simplify right side
    92,091.76x = 5,723,266,415.09
  5. Step 5: Solve for x
    x = 5,723,266,415.09/92,091.76
  6. Step 6: Final answer
    x = 62,147.43

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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.