Home / 74,608.36-111,900.39-30,233.32

Finding the Fourth Proportional to 74,608.36, 111,900.39 and 30,233.32

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Solution

The fourth proportional to 74,608.36, 111,900.39 and 30,233.32 is: 45,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,608.36 : 111,900.39 = 30,233.32 : x
  2. Step 2: Convert to fraction form
    74,608.36/111,900.39 = 30,233.32/x
  3. Step 3: Cross multiply
    74,608.36x = 111,900.39 × 30,233.32
  4. Step 4: Simplify right side
    74,608.36x = 3,383,120,298.99
  5. Step 5: Solve for x
    x = 3,383,120,298.99/74,608.36
  6. Step 6: Final answer
    x = 45,345.06

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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.