Home / 89,403.75-134,022.24-30,198.01

Finding the Fourth Proportional to 89,403.75, 134,022.24 and 30,198.01

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Solution

The fourth proportional to 89,403.75, 134,022.24 and 30,198.01 is: 45,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,403.75 : 134,022.24 = 30,198.01 : x
  2. Step 2: Convert to fraction form
    89,403.75/134,022.24 = 30,198.01/x
  3. Step 3: Cross multiply
    89,403.75x = 134,022.24 × 30,198.01
  4. Step 4: Simplify right side
    89,403.75x = 4,047,204,792.75
  5. Step 5: Solve for x
    x = 4,047,204,792.75/89,403.75
  6. Step 6: Final answer
    x = 45,268.85

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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.