Home / 57,257.94-79,016.16-31,764.81

Finding the Fourth Proportional to 57,257.94, 79,016.16 and 31,764.81

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Solution

The fourth proportional to 57,257.94, 79,016.16 and 31,764.81 is: 43,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,257.94 : 79,016.16 = 31,764.81 : x
  2. Step 2: Convert to fraction form
    57,257.94/79,016.16 = 31,764.81/x
  3. Step 3: Cross multiply
    57,257.94x = 79,016.16 × 31,764.81
  4. Step 4: Simplify right side
    57,257.94x = 2,509,933,309.33
  5. Step 5: Solve for x
    x = 2,509,933,309.33/57,257.94
  6. Step 6: Final answer
    x = 43,835.55

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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.