Home / 106,586.73-147,083.94-66,299.34

Finding the Fourth Proportional to 106,586.73, 147,083.94 and 66,299.34

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Solution

The fourth proportional to 106,586.73, 147,083.94 and 66,299.34 is: 91,489.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,586.73 : 147,083.94 = 66,299.34 : x
  2. Step 2: Convert to fraction form
    106,586.73/147,083.94 = 66,299.34/x
  3. Step 3: Cross multiply
    106,586.73x = 147,083.94 × 66,299.34
  4. Step 4: Simplify right side
    106,586.73x = 9,751,568,146.60
  5. Step 5: Solve for x
    x = 9,751,568,146.60/106,586.73
  6. Step 6: Final answer
    x = 91,489.51

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1.5x scale

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.