Home / 54,754.20-82,131.30-46,589.40

Finding the Fourth Proportional to 54,754.20, 82,131.30 and 46,589.40

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Solution

The fourth proportional to 54,754.20, 82,131.30 and 46,589.40 is: 69,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,754.20 : 82,131.30 = 46,589.40 : x
  2. Step 2: Convert to fraction form
    54,754.20/82,131.30 = 46,589.40/x
  3. Step 3: Cross multiply
    54,754.20x = 82,131.30 × 46,589.40
  4. Step 4: Simplify right side
    54,754.20x = 3,826,447,988.22
  5. Step 5: Solve for x
    x = 3,826,447,988.22/54,754.20
  6. Step 6: Final answer
    x = 69,884.10

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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.