Home / 40,642.50-61,268.38-37,933.05

Finding the Fourth Proportional to 40,642.50, 61,268.38 and 37,933.05

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Solution

The fourth proportional to 40,642.50, 61,268.38 and 37,933.05 is: 57,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,642.50 : 61,268.38 = 37,933.05 : x
  2. Step 2: Convert to fraction form
    40,642.50/61,268.38 = 37,933.05/x
  3. Step 3: Cross multiply
    40,642.50x = 61,268.38 × 37,933.05
  4. Step 4: Simplify right side
    40,642.50x = 2,324,096,799.13
  5. Step 5: Solve for x
    x = 2,324,096,799.13/40,642.50
  6. Step 6: Final answer
    x = 57,183.90

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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.