Home / 89,403.88-134,022.44-30,198.14

Finding the Fourth Proportional to 89,403.88, 134,022.44 and 30,198.14

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Solution

The fourth proportional to 89,403.88, 134,022.44 and 30,198.14 is: 45,269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,403.88 : 134,022.44 = 30,198.14 : x
  2. Step 2: Convert to fraction form
    89,403.88/134,022.44 = 30,198.14/x
  3. Step 3: Cross multiply
    89,403.88x = 134,022.44 × 30,198.14
  4. Step 4: Simplify right side
    89,403.88x = 4,047,228,478.84
  5. Step 5: Solve for x
    x = 4,047,228,478.84/89,403.88
  6. Step 6: Final answer
    x = 45,269.05

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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.