Home / 50,849.80-76,268.21-13,412.69

Finding the Fourth Proportional to 50,849.80, 76,268.21 and 13,412.69

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Solution

The fourth proportional to 50,849.80, 76,268.21 and 13,412.69 is: 20,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,849.80 : 76,268.21 = 13,412.69 : x
  2. Step 2: Convert to fraction form
    50,849.80/76,268.21 = 13,412.69/x
  3. Step 3: Cross multiply
    50,849.80x = 76,268.21 × 13,412.69
  4. Step 4: Simplify right side
    50,849.80x = 1,022,961,732.91
  5. Step 5: Solve for x
    x = 1,022,961,732.91/50,849.80
  6. Step 6: Final answer
    x = 20,117.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.