Home / 107,735.75-161,603.62-55,116.53

Finding the Fourth Proportional to 107,735.75, 161,603.62 and 55,116.53

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Solution

The fourth proportional to 107,735.75, 161,603.62 and 55,116.53 is: 82,674.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,735.75 : 161,603.62 = 55,116.53 : x
  2. Step 2: Convert to fraction form
    107,735.75/161,603.62 = 55,116.53/x
  3. Step 3: Cross multiply
    107,735.75x = 161,603.62 × 55,116.53
  4. Step 4: Simplify right side
    107,735.75x = 8,907,029,824.03
  5. Step 5: Solve for x
    x = 8,907,029,824.03/107,735.75
  6. Step 6: Final answer
    x = 82,674.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.