Home / 117,625.37-162,287.25-66,629.99

Finding the Fourth Proportional to 117,625.37, 162,287.25 and 66,629.99

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Solution

The fourth proportional to 117,625.37, 162,287.25 and 66,629.99 is: 91,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,625.37 : 162,287.25 = 66,629.99 : x
  2. Step 2: Convert to fraction form
    117,625.37/162,287.25 = 66,629.99/x
  3. Step 3: Cross multiply
    117,625.37x = 162,287.25 × 66,629.99
  4. Step 4: Simplify right side
    117,625.37x = 10,813,198,000.48
  5. Step 5: Solve for x
    x = 10,813,198,000.48/117,625.37
  6. Step 6: Final answer
    x = 91,929.13

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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.