Home / 74,725.50-103,121.19-41,192.22

Finding the Fourth Proportional to 74,725.50, 103,121.19 and 41,192.22

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Solution

The fourth proportional to 74,725.50, 103,121.19 and 41,192.22 is: 56,845.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,725.50 : 103,121.19 = 41,192.22 : x
  2. Step 2: Convert to fraction form
    74,725.50/103,121.19 = 41,192.22/x
  3. Step 3: Cross multiply
    74,725.50x = 103,121.19 × 41,192.22
  4. Step 4: Simplify right side
    74,725.50x = 4,247,790,745.14
  5. Step 5: Solve for x
    x = 4,247,790,745.14/74,725.50
  6. Step 6: Final answer
    x = 56,845.26

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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.