Home / 54,764.44-75,574.56-30,891.32

Finding the Fourth Proportional to 54,764.44, 75,574.56 and 30,891.32

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Solution

The fourth proportional to 54,764.44, 75,574.56 and 30,891.32 is: 42,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,764.44 : 75,574.56 = 30,891.32 : x
  2. Step 2: Convert to fraction form
    54,764.44/75,574.56 = 30,891.32/x
  3. Step 3: Cross multiply
    54,764.44x = 75,574.56 × 30,891.32
  4. Step 4: Simplify right side
    54,764.44x = 2,334,597,916.82
  5. Step 5: Solve for x
    x = 2,334,597,916.82/54,764.44
  6. Step 6: Final answer
    x = 42,629.81

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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.