Home / 85,231.08-117,619.02-47,504.52

Finding the Fourth Proportional to 85,231.08, 117,619.02 and 47,504.52

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Solution

The fourth proportional to 85,231.08, 117,619.02 and 47,504.52 is: 65,556.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,231.08 : 117,619.02 = 47,504.52 : x
  2. Step 2: Convert to fraction form
    85,231.08/117,619.02 = 47,504.52/x
  3. Step 3: Cross multiply
    85,231.08x = 117,619.02 × 47,504.52
  4. Step 4: Simplify right side
    85,231.08x = 5,587,435,087.97
  5. Step 5: Solve for x
    x = 5,587,435,087.97/85,231.08
  6. Step 6: Final answer
    x = 65,556.31

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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.