Home / 45,995.26-68,855.38-28,169.80

Finding the Fourth Proportional to 45,995.26, 68,855.38 and 28,169.80

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Solution

The fourth proportional to 45,995.26, 68,855.38 and 28,169.80 is: 42,170.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,995.26 : 68,855.38 = 28,169.80 : x
  2. Step 2: Convert to fraction form
    45,995.26/68,855.38 = 28,169.80/x
  3. Step 3: Cross multiply
    45,995.26x = 68,855.38 × 28,169.80
  4. Step 4: Simplify right side
    45,995.26x = 1,939,642,283.52
  5. Step 5: Solve for x
    x = 1,939,642,283.52/45,995.26
  6. Step 6: Final answer
    x = 42,170.48

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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.