Home / 106,941.45-147,569.07-63,912.43

Finding the Fourth Proportional to 106,941.45, 147,569.07 and 63,912.43

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Solution

The fourth proportional to 106,941.45, 147,569.07 and 63,912.43 is: 88,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,941.45 : 147,569.07 = 63,912.43 : x
  2. Step 2: Convert to fraction form
    106,941.45/147,569.07 = 63,912.43/x
  3. Step 3: Cross multiply
    106,941.45x = 147,569.07 × 63,912.43
  4. Step 4: Simplify right side
    106,941.45x = 9,431,497,856.54
  5. Step 5: Solve for x
    x = 9,431,497,856.54/106,941.45
  6. Step 6: Final answer
    x = 88,193.10

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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.