Home / 78,202.26-117,317.97-50,303.43

Finding the Fourth Proportional to 78,202.26, 117,317.97 and 50,303.43

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Solution

The fourth proportional to 78,202.26, 117,317.97 and 50,303.43 is: 75,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,202.26 : 117,317.97 = 50,303.43 : x
  2. Step 2: Convert to fraction form
    78,202.26/117,317.97 = 50,303.43/x
  3. Step 3: Cross multiply
    78,202.26x = 117,317.97 × 50,303.43
  4. Step 4: Simplify right side
    78,202.26x = 5,901,496,291.64
  5. Step 5: Solve for x
    x = 5,901,496,291.64/78,202.26
  6. Step 6: Final answer
    x = 75,464.52

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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.