Home / 117,961.84-162,843.06-75,544.84

Finding the Fourth Proportional to 117,961.84, 162,843.06 and 75,544.84

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Solution

The fourth proportional to 117,961.84, 162,843.06 and 75,544.84 is: 104,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,961.84 : 162,843.06 = 75,544.84 : x
  2. Step 2: Convert to fraction form
    117,961.84/162,843.06 = 75,544.84/x
  3. Step 3: Cross multiply
    117,961.84x = 162,843.06 × 75,544.84
  4. Step 4: Simplify right side
    117,961.84x = 12,301,952,912.81
  5. Step 5: Solve for x
    x = 12,301,952,912.81/117,961.84
  6. Step 6: Final answer
    x = 104,287.56

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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.