Home / 106,015.89-159,023.94-49,814.79

Finding the Fourth Proportional to 106,015.89, 159,023.94 and 49,814.79

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Solution

The fourth proportional to 106,015.89, 159,023.94 and 49,814.79 is: 74,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,015.89 : 159,023.94 = 49,814.79 : x
  2. Step 2: Convert to fraction form
    106,015.89/159,023.94 = 49,814.79/x
  3. Step 3: Cross multiply
    106,015.89x = 159,023.94 × 49,814.79
  4. Step 4: Simplify right side
    106,015.89x = 7,921,744,176.07
  5. Step 5: Solve for x
    x = 7,921,744,176.07/106,015.89
  6. Step 6: Final answer
    x = 74,722.23

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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.