Home / 84,847.16-117,089.35-47,121.41

Finding the Fourth Proportional to 84,847.16, 117,089.35 and 47,121.41

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Solution

The fourth proportional to 84,847.16, 117,089.35 and 47,121.41 is: 65,027.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,847.16 : 117,089.35 = 47,121.41 : x
  2. Step 2: Convert to fraction form
    84,847.16/117,089.35 = 47,121.41/x
  3. Step 3: Cross multiply
    84,847.16x = 117,089.35 × 47,121.41
  4. Step 4: Simplify right side
    84,847.16x = 5,517,414,564.73
  5. Step 5: Solve for x
    x = 5,517,414,564.73/84,847.16
  6. Step 6: Final answer
    x = 65,027.69

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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.