Home / 168,074.70-252,112.80-49,747.06

Finding the Fourth Proportional to 168,074.70, 252,112.80 and 49,747.06

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Solution

The fourth proportional to 168,074.70, 252,112.80 and 49,747.06 is: 74,620.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,074.70 : 252,112.80 = 49,747.06 : x
  2. Step 2: Convert to fraction form
    168,074.70/252,112.80 = 49,747.06/x
  3. Step 3: Cross multiply
    168,074.70x = 252,112.80 × 49,747.06
  4. Step 4: Simplify right side
    168,074.70x = 12,541,871,090.06
  5. Step 5: Solve for x
    x = 12,541,871,090.06/168,074.70
  6. Step 6: Final answer
    x = 74,620.82

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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.