Home / 57,233.41-85,862.39-19,286.42

Finding the Fourth Proportional to 57,233.41, 85,862.39 and 19,286.42

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Solution

The fourth proportional to 57,233.41, 85,862.39 and 19,286.42 is: 28,933.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,233.41 : 85,862.39 = 19,286.42 : x
  2. Step 2: Convert to fraction form
    57,233.41/85,862.39 = 19,286.42/x
  3. Step 3: Cross multiply
    57,233.41x = 85,862.39 × 19,286.42
  4. Step 4: Simplify right side
    57,233.41x = 1,655,978,115.74
  5. Step 5: Solve for x
    x = 1,655,978,115.74/57,233.41
  6. Step 6: Final answer
    x = 28,933.77

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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.