Home / 50,467.21-69,691.86-31,637.14

Finding the Fourth Proportional to 50,467.21, 69,691.86 and 31,637.14

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Solution

The fourth proportional to 50,467.21, 69,691.86 and 31,637.14 is: 43,688.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,467.21 : 69,691.86 = 31,637.14 : x
  2. Step 2: Convert to fraction form
    50,467.21/69,691.86 = 31,637.14/x
  3. Step 3: Cross multiply
    50,467.21x = 69,691.86 × 31,637.14
  4. Step 4: Simplify right side
    50,467.21x = 2,204,851,131.68
  5. Step 5: Solve for x
    x = 2,204,851,131.68/50,467.21
  6. Step 6: Final answer
    x = 43,688.79

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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.