Home / 106,343.31-159,581.47-43,163.43

Finding the Fourth Proportional to 106,343.31, 159,581.47 and 43,163.43

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Solution

The fourth proportional to 106,343.31, 159,581.47 and 43,163.43 is: 64,772.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,343.31 : 159,581.47 = 43,163.43 : x
  2. Step 2: Convert to fraction form
    106,343.31/159,581.47 = 43,163.43/x
  3. Step 3: Cross multiply
    106,343.31x = 159,581.47 × 43,163.43
  4. Step 4: Simplify right side
    106,343.31x = 6,888,083,102.78
  5. Step 5: Solve for x
    x = 6,888,083,102.78/106,343.31
  6. Step 6: Final answer
    x = 64,772.14

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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.