Home / 57,297.78-79,075.24-33,419.39

Finding the Fourth Proportional to 57,297.78, 79,075.24 and 33,419.39

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Solution

The fourth proportional to 57,297.78, 79,075.24 and 33,419.39 is: 46,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,297.78 : 79,075.24 = 33,419.39 : x
  2. Step 2: Convert to fraction form
    57,297.78/79,075.24 = 33,419.39/x
  3. Step 3: Cross multiply
    57,297.78x = 79,075.24 × 33,419.39
  4. Step 4: Simplify right side
    57,297.78x = 2,642,645,805.98
  5. Step 5: Solve for x
    x = 2,642,645,805.98/57,297.78
  6. Step 6: Final answer
    x = 46,121.26

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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.