Home / 86,214.06-118,961.69-48,481.02

Finding the Fourth Proportional to 86,214.06, 118,961.69 and 48,481.02

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Solution

The fourth proportional to 86,214.06, 118,961.69 and 48,481.02 is: 66,896.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,214.06 : 118,961.69 = 48,481.02 : x
  2. Step 2: Convert to fraction form
    86,214.06/118,961.69 = 48,481.02/x
  3. Step 3: Cross multiply
    86,214.06x = 118,961.69 × 48,481.02
  4. Step 4: Simplify right side
    86,214.06x = 5,767,384,072.12
  5. Step 5: Solve for x
    x = 5,767,384,072.12/86,214.06
  6. Step 6: Final answer
    x = 66,896.10

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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.