Home / 54,075.08-74,616.23-30,198.71

Finding the Fourth Proportional to 54,075.08, 74,616.23 and 30,198.71

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Solution

The fourth proportional to 54,075.08, 74,616.23 and 30,198.71 is: 41,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,075.08 : 74,616.23 = 30,198.71 : x
  2. Step 2: Convert to fraction form
    54,075.08/74,616.23 = 30,198.71/x
  3. Step 3: Cross multiply
    54,075.08x = 74,616.23 × 30,198.71
  4. Step 4: Simplify right side
    54,075.08x = 2,253,313,366.99
  5. Step 5: Solve for x
    x = 2,253,313,366.99/54,075.08
  6. Step 6: Final answer
    x = 41,670.09

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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.