Home / 69,872.03-96,420.22-38,040.86

Finding the Fourth Proportional to 69,872.03, 96,420.22 and 38,040.86

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Solution

The fourth proportional to 69,872.03, 96,420.22 and 38,040.86 is: 52,494.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,872.03 : 96,420.22 = 38,040.86 : x
  2. Step 2: Convert to fraction form
    69,872.03/96,420.22 = 38,040.86/x
  3. Step 3: Cross multiply
    69,872.03x = 96,420.22 × 38,040.86
  4. Step 4: Simplify right side
    69,872.03x = 3,667,907,512.99
  5. Step 5: Solve for x
    x = 3,667,907,512.99/69,872.03
  6. Step 6: Final answer
    x = 52,494.65

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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.