Home / 74,296.12-111,442.82-18,135.33

Finding the Fourth Proportional to 74,296.12, 111,442.82 and 18,135.33

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Solution

The fourth proportional to 74,296.12, 111,442.82 and 18,135.33 is: 27,202.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,296.12 : 111,442.82 = 18,135.33 : x
  2. Step 2: Convert to fraction form
    74,296.12/111,442.82 = 18,135.33/x
  3. Step 3: Cross multiply
    74,296.12x = 111,442.82 × 18,135.33
  4. Step 4: Simplify right side
    74,296.12x = 2,021,052,316.83
  5. Step 5: Solve for x
    x = 2,021,052,316.83/74,296.12
  6. Step 6: Final answer
    x = 27,202.66

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1.5x scale

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.