Home / 54,405.12-75,064.68-33,183.12

Finding the Fourth Proportional to 54,405.12, 75,064.68 and 33,183.12

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Solution

The fourth proportional to 54,405.12, 75,064.68 and 33,183.12 is: 45,783.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,405.12 : 75,064.68 = 33,183.12 : x
  2. Step 2: Convert to fraction form
    54,405.12/75,064.68 = 33,183.12/x
  3. Step 3: Cross multiply
    54,405.12x = 75,064.68 × 33,183.12
  4. Step 4: Simplify right side
    54,405.12x = 2,490,880,284.20
  5. Step 5: Solve for x
    x = 2,490,880,284.20/54,405.12
  6. Step 6: Final answer
    x = 45,783.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.