Home / 106,489.09-146,954.96-58,742.56

Finding the Fourth Proportional to 106,489.09, 146,954.96 and 58,742.56

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Solution

The fourth proportional to 106,489.09, 146,954.96 and 58,742.56 is: 81,064.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,489.09 : 146,954.96 = 58,742.56 : x
  2. Step 2: Convert to fraction form
    106,489.09/146,954.96 = 58,742.56/x
  3. Step 3: Cross multiply
    106,489.09x = 146,954.96 × 58,742.56
  4. Step 4: Simplify right side
    106,489.09x = 8,632,510,555.10
  5. Step 5: Solve for x
    x = 8,632,510,555.10/106,489.09
  6. Step 6: Final answer
    x = 81,064.74

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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.