Home / 85,237.11-117,622.94-47,504.07

Finding the Fourth Proportional to 85,237.11, 117,622.94 and 47,504.07

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Solution

The fourth proportional to 85,237.11, 117,622.94 and 47,504.07 is: 65,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,237.11 : 117,622.94 = 47,504.07 : x
  2. Step 2: Convert to fraction form
    85,237.11/117,622.94 = 47,504.07/x
  3. Step 3: Cross multiply
    85,237.11x = 117,622.94 × 47,504.07
  4. Step 4: Simplify right side
    85,237.11x = 5,587,568,137.85
  5. Step 5: Solve for x
    x = 5,587,568,137.85/85,237.11
  6. Step 6: Final answer
    x = 65,553.23

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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.