Home / 54,490.20-75,198.69-30,616.80

Finding the Fourth Proportional to 54,490.20, 75,198.69 and 30,616.80

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Solution

The fourth proportional to 54,490.20, 75,198.69 and 30,616.80 is: 42,252.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,490.20 : 75,198.69 = 30,616.80 : x
  2. Step 2: Convert to fraction form
    54,490.20/75,198.69 = 30,616.80/x
  3. Step 3: Cross multiply
    54,490.20x = 75,198.69 × 30,616.80
  4. Step 4: Simplify right side
    54,490.20x = 2,302,343,251.99
  5. Step 5: Solve for x
    x = 2,302,343,251.99/54,490.20
  6. Step 6: Final answer
    x = 42,252.43

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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.