Home / 106,018.89-159,028.44-49,817.79

Finding the Fourth Proportional to 106,018.89, 159,028.44 and 49,817.79

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Solution

The fourth proportional to 106,018.89, 159,028.44 and 49,817.79 is: 74,726.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,018.89 : 159,028.44 = 49,817.79 : x
  2. Step 2: Convert to fraction form
    106,018.89/159,028.44 = 49,817.79/x
  3. Step 3: Cross multiply
    106,018.89x = 159,028.44 × 49,817.79
  4. Step 4: Simplify right side
    106,018.89x = 7,922,445,427.95
  5. Step 5: Solve for x
    x = 7,922,445,427.95/106,018.89
  6. Step 6: Final answer
    x = 74,726.73

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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.