Home / 73,828.90-110,739.48-21,236.32

Finding the Fourth Proportional to 73,828.90, 110,739.48 and 21,236.32

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Solution

The fourth proportional to 73,828.90, 110,739.48 and 21,236.32 is: 31,853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,828.90 : 110,739.48 = 21,236.32 : x
  2. Step 2: Convert to fraction form
    73,828.90/110,739.48 = 21,236.32/x
  3. Step 3: Cross multiply
    73,828.90x = 110,739.48 × 21,236.32
  4. Step 4: Simplify right side
    73,828.90x = 2,351,699,033.91
  5. Step 5: Solve for x
    x = 2,351,699,033.91/73,828.90
  6. Step 6: Final answer
    x = 31,853.37

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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.