Home / 57,064.44-78,745.26-31,909.56

Finding the Fourth Proportional to 57,064.44, 78,745.26 and 31,909.56

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Solution

The fourth proportional to 57,064.44, 78,745.26 and 31,909.56 is: 44,033.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,064.44 : 78,745.26 = 31,909.56 : x
  2. Step 2: Convert to fraction form
    57,064.44/78,745.26 = 31,909.56/x
  3. Step 3: Cross multiply
    57,064.44x = 78,745.26 × 31,909.56
  4. Step 4: Simplify right side
    57,064.44x = 2,512,726,598.69
  5. Step 5: Solve for x
    x = 2,512,726,598.69/57,064.44
  6. Step 6: Final answer
    x = 44,033.14

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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.