Home / 40,722.12-61,327.44-35,845.20

Finding the Fourth Proportional to 40,722.12, 61,327.44 and 35,845.20

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Solution

The fourth proportional to 40,722.12, 61,327.44 and 35,845.20 is: 53,982.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,722.12 : 61,327.44 = 35,845.20 : x
  2. Step 2: Convert to fraction form
    40,722.12/61,327.44 = 35,845.20/x
  3. Step 3: Cross multiply
    40,722.12x = 61,327.44 × 35,845.20
  4. Step 4: Simplify right side
    40,722.12x = 2,198,294,352.29
  5. Step 5: Solve for x
    x = 2,198,294,352.29/40,722.12
  6. Step 6: Final answer
    x = 53,982.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.