Home / 110,021.94-165,142.26-50,870.88

Finding the Fourth Proportional to 110,021.94, 165,142.26 and 50,870.88

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Solution

The fourth proportional to 110,021.94, 165,142.26 and 50,870.88 is: 76,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,021.94 : 165,142.26 = 50,870.88 : x
  2. Step 2: Convert to fraction form
    110,021.94/165,142.26 = 50,870.88/x
  3. Step 3: Cross multiply
    110,021.94x = 165,142.26 × 50,870.88
  4. Step 4: Simplify right side
    110,021.94x = 8,400,932,091.39
  5. Step 5: Solve for x
    x = 8,400,932,091.39/110,021.94
  6. Step 6: Final answer
    x = 76,356.88

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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.