Home / 74,218.25-111,325.74-18,058.73

Finding the Fourth Proportional to 74,218.25, 111,325.74 and 18,058.73

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Solution

The fourth proportional to 74,218.25, 111,325.74 and 18,058.73 is: 27,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,218.25 : 111,325.74 = 18,058.73 : x
  2. Step 2: Convert to fraction form
    74,218.25/111,325.74 = 18,058.73/x
  3. Step 3: Cross multiply
    74,218.25x = 111,325.74 × 18,058.73
  4. Step 4: Simplify right side
    74,218.25x = 2,010,400,924.08
  5. Step 5: Solve for x
    x = 2,010,400,924.08/74,218.25
  6. Step 6: Final answer
    x = 27,087.69

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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.