Home / 105,198.24-145,169.91-59,872.80

Finding the Fourth Proportional to 105,198.24, 145,169.91 and 59,872.80

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Solution

The fourth proportional to 105,198.24, 145,169.91 and 59,872.80 is: 82,622.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,198.24 : 145,169.91 = 59,872.80 : x
  2. Step 2: Convert to fraction form
    105,198.24/145,169.91 = 59,872.80/x
  3. Step 3: Cross multiply
    105,198.24x = 145,169.91 × 59,872.80
  4. Step 4: Simplify right side
    105,198.24x = 8,691,728,987.45
  5. Step 5: Solve for x
    x = 8,691,728,987.45/105,198.24
  6. Step 6: Final answer
    x = 82,622.38

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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.