Home / 54,158.70-74,739.23-30,285.37

Finding the Fourth Proportional to 54,158.70, 74,739.23 and 30,285.37

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Solution

The fourth proportional to 54,158.70, 74,739.23 and 30,285.37 is: 41,793.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,158.70 : 74,739.23 = 30,285.37 : x
  2. Step 2: Convert to fraction form
    54,158.70/74,739.23 = 30,285.37/x
  3. Step 3: Cross multiply
    54,158.70x = 74,739.23 × 30,285.37
  4. Step 4: Simplify right side
    54,158.70x = 2,263,505,234.07
  5. Step 5: Solve for x
    x = 2,263,505,234.07/54,158.70
  6. Step 6: Final answer
    x = 41,793.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.