Home / 54,228.44-74,782.67-42,287.42

Finding the Fourth Proportional to 54,228.44, 74,782.67 and 42,287.42

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Solution

The fourth proportional to 54,228.44, 74,782.67 and 42,287.42 is: 58,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,228.44 : 74,782.67 = 42,287.42 : x
  2. Step 2: Convert to fraction form
    54,228.44/74,782.67 = 42,287.42/x
  3. Step 3: Cross multiply
    54,228.44x = 74,782.67 × 42,287.42
  4. Step 4: Simplify right side
    54,228.44x = 3,162,365,589.66
  5. Step 5: Solve for x
    x = 3,162,365,589.66/54,228.44
  6. Step 6: Final answer
    x = 58,315.63

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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.