Home / 81,546.39-122,317.97-46,410.75

Finding the Fourth Proportional to 81,546.39, 122,317.97 and 46,410.75

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Solution

The fourth proportional to 81,546.39, 122,317.97 and 46,410.75 is: 69,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,546.39 : 122,317.97 = 46,410.75 : x
  2. Step 2: Convert to fraction form
    81,546.39/122,317.97 = 46,410.75/x
  3. Step 3: Cross multiply
    81,546.39x = 122,317.97 × 46,410.75
  4. Step 4: Simplify right side
    81,546.39x = 5,676,868,494.12
  5. Step 5: Solve for x
    x = 5,676,868,494.12/81,546.39
  6. Step 6: Final answer
    x = 69,615.20

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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.