Home / 74,652.26-103,021.24-40,662.32

Finding the Fourth Proportional to 74,652.26, 103,021.24 and 40,662.32

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Solution

The fourth proportional to 74,652.26, 103,021.24 and 40,662.32 is: 56,114.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,652.26 : 103,021.24 = 40,662.32 : x
  2. Step 2: Convert to fraction form
    74,652.26/103,021.24 = 40,662.32/x
  3. Step 3: Cross multiply
    74,652.26x = 103,021.24 × 40,662.32
  4. Step 4: Simplify right side
    74,652.26x = 4,189,082,627.68
  5. Step 5: Solve for x
    x = 4,189,082,627.68/74,652.26
  6. Step 6: Final answer
    x = 56,114.61

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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.