Home / 54,728.20-82,092.30-13,175.20

Finding the Fourth Proportional to 54,728.20, 82,092.30 and 13,175.20

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Solution

The fourth proportional to 54,728.20, 82,092.30 and 13,175.20 is: 19,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,728.20 : 82,092.30 = 13,175.20 : x
  2. Step 2: Convert to fraction form
    54,728.20/82,092.30 = 13,175.20/x
  3. Step 3: Cross multiply
    54,728.20x = 82,092.30 × 13,175.20
  4. Step 4: Simplify right side
    54,728.20x = 1,081,582,470.96
  5. Step 5: Solve for x
    x = 1,081,582,470.96/54,728.20
  6. Step 6: Final answer
    x = 19,762.80

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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.