Home / 47,112.94-65,015.11-25,891.75

Finding the Fourth Proportional to 47,112.94, 65,015.11 and 25,891.75

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Solution

The fourth proportional to 47,112.94, 65,015.11 and 25,891.75 is: 35,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,112.94 : 65,015.11 = 25,891.75 : x
  2. Step 2: Convert to fraction form
    47,112.94/65,015.11 = 25,891.75/x
  3. Step 3: Cross multiply
    47,112.94x = 65,015.11 × 25,891.75
  4. Step 4: Simplify right side
    47,112.94x = 1,683,354,974.34
  5. Step 5: Solve for x
    x = 1,683,354,974.34/47,112.94
  6. Step 6: Final answer
    x = 35,730.20

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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.