Home / 74,775.03-112,183.73-30,433.60

Finding the Fourth Proportional to 74,775.03, 112,183.73 and 30,433.60

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Solution

The fourth proportional to 74,775.03, 112,183.73 and 30,433.60 is: 45,659.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,775.03 : 112,183.73 = 30,433.60 : x
  2. Step 2: Convert to fraction form
    74,775.03/112,183.73 = 30,433.60/x
  3. Step 3: Cross multiply
    74,775.03x = 112,183.73 × 30,433.60
  4. Step 4: Simplify right side
    74,775.03x = 3,414,154,613.16
  5. Step 5: Solve for x
    x = 3,414,154,613.16/74,775.03
  6. Step 6: Final answer
    x = 45,659.02

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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.