Home / 106,664.43-147,177.67-68,916.81

Finding the Fourth Proportional to 106,664.43, 147,177.67 and 68,916.81

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Solution

The fourth proportional to 106,664.43, 147,177.67 and 68,916.81 is: 95,092.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,664.43 : 147,177.67 = 68,916.81 : x
  2. Step 2: Convert to fraction form
    106,664.43/147,177.67 = 68,916.81/x
  3. Step 3: Cross multiply
    106,664.43x = 147,177.67 × 68,916.81
  4. Step 4: Simplify right side
    106,664.43x = 10,143,015,519.63
  5. Step 5: Solve for x
    x = 10,143,015,519.63/106,664.43
  6. Step 6: Final answer
    x = 95,092.76

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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.