Home / 106,512.38-159,757.64-56,539.43

Finding the Fourth Proportional to 106,512.38, 159,757.64 and 56,539.43

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Solution

The fourth proportional to 106,512.38, 159,757.64 and 56,539.43 is: 84,803.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,512.38 : 159,757.64 = 56,539.43 : x
  2. Step 2: Convert to fraction form
    106,512.38/159,757.64 = 56,539.43/x
  3. Step 3: Cross multiply
    106,512.38x = 159,757.64 × 56,539.43
  4. Step 4: Simplify right side
    106,512.38x = 9,032,606,020.44
  5. Step 5: Solve for x
    x = 9,032,606,020.44/106,512.38
  6. Step 6: Final answer
    x = 84,803.34

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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.