Home / 56,778.26-85,203.84-38,079.42

Finding the Fourth Proportional to 56,778.26, 85,203.84 and 38,079.42

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Solution

The fourth proportional to 56,778.26, 85,203.84 and 38,079.42 is: 57,143.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,778.26 : 85,203.84 = 38,079.42 : x
  2. Step 2: Convert to fraction form
    56,778.26/85,203.84 = 38,079.42/x
  3. Step 3: Cross multiply
    56,778.26x = 85,203.84 × 38,079.42
  4. Step 4: Simplify right side
    56,778.26x = 3,244,512,808.97
  5. Step 5: Solve for x
    x = 3,244,512,808.97/56,778.26
  6. Step 6: Final answer
    x = 57,143.58

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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.