Home / 68,142.33-94,075.54-45,556.09

Finding the Fourth Proportional to 68,142.33, 94,075.54 and 45,556.09

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Solution

The fourth proportional to 68,142.33, 94,075.54 and 45,556.09 is: 62,893.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,142.33 : 94,075.54 = 45,556.09 : x
  2. Step 2: Convert to fraction form
    68,142.33/94,075.54 = 45,556.09/x
  3. Step 3: Cross multiply
    68,142.33x = 94,075.54 × 45,556.09
  4. Step 4: Simplify right side
    68,142.33x = 4,285,713,417.96
  5. Step 5: Solve for x
    x = 4,285,713,417.96/68,142.33
  6. Step 6: Final answer
    x = 62,893.56

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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.