Home / 82,392.99-123,589.44-29,790.18

Finding the Fourth Proportional to 82,392.99, 123,589.44 and 29,790.18

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Solution

The fourth proportional to 82,392.99, 123,589.44 and 29,790.18 is: 44,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,392.99 : 123,589.44 = 29,790.18 : x
  2. Step 2: Convert to fraction form
    82,392.99/123,589.44 = 29,790.18/x
  3. Step 3: Cross multiply
    82,392.99x = 123,589.44 × 29,790.18
  4. Step 4: Simplify right side
    82,392.99x = 3,681,750,896.80
  5. Step 5: Solve for x
    x = 3,681,750,896.80/82,392.99
  6. Step 6: Final answer
    x = 44,685.24

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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.