Home / 85,583.34-128,268.09-41,198.22

Finding the Fourth Proportional to 85,583.34, 128,268.09 and 41,198.22

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Solution

The fourth proportional to 85,583.34, 128,268.09 and 41,198.22 is: 61,745.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,583.34 : 128,268.09 = 41,198.22 : x
  2. Step 2: Convert to fraction form
    85,583.34/128,268.09 = 41,198.22/x
  3. Step 3: Cross multiply
    85,583.34x = 128,268.09 × 41,198.22
  4. Step 4: Simplify right side
    85,583.34x = 5,284,416,990.80
  5. Step 5: Solve for x
    x = 5,284,416,990.80/85,583.34
  6. Step 6: Final answer
    x = 61,745.86

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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.