Home / 117,481.37-162,085.68-66,489.04

Finding the Fourth Proportional to 117,481.37, 162,085.68 and 66,489.04

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Solution

The fourth proportional to 117,481.37, 162,085.68 and 66,489.04 is: 91,733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,481.37 : 162,085.68 = 66,489.04 : x
  2. Step 2: Convert to fraction form
    117,481.37/162,085.68 = 66,489.04/x
  3. Step 3: Cross multiply
    117,481.37x = 162,085.68 × 66,489.04
  4. Step 4: Simplify right side
    117,481.37x = 10,776,921,260.95
  5. Step 5: Solve for x
    x = 10,776,921,260.95/117,481.37
  6. Step 6: Final answer
    x = 91,733.02

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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.