Home / 106,135.44-159,071.94-53,559.96

Finding the Fourth Proportional to 106,135.44, 159,071.94 and 53,559.96

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Solution

The fourth proportional to 106,135.44, 159,071.94 and 53,559.96 is: 80,273.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,135.44 : 159,071.94 = 53,559.96 : x
  2. Step 2: Convert to fraction form
    106,135.44/159,071.94 = 53,559.96/x
  3. Step 3: Cross multiply
    106,135.44x = 159,071.94 × 53,559.96
  4. Step 4: Simplify right side
    106,135.44x = 8,519,886,743.52
  5. Step 5: Solve for x
    x = 8,519,886,743.52/106,135.44
  6. Step 6: Final answer
    x = 80,273.72

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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.