Home / 54,382.00-75,047.90-40,745.85

Finding the Fourth Proportional to 54,382.00, 75,047.90 and 40,745.85

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Solution

The fourth proportional to 54,382.00, 75,047.90 and 40,745.85 is: 56,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,382.00 : 75,047.90 = 40,745.85 : x
  2. Step 2: Convert to fraction form
    54,382.00/75,047.90 = 40,745.85/x
  3. Step 3: Cross multiply
    54,382.00x = 75,047.90 × 40,745.85
  4. Step 4: Simplify right side
    54,382.00x = 3,057,890,272.49
  5. Step 5: Solve for x
    x = 3,057,890,272.49/54,382.00
  6. Step 6: Final answer
    x = 56,229.83

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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.