Home / 68,783.58-94,919.36-41,916.28

Finding the Fourth Proportional to 68,783.58, 94,919.36 and 41,916.28

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Solution

The fourth proportional to 68,783.58, 94,919.36 and 41,916.28 is: 57,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,783.58 : 94,919.36 = 41,916.28 : x
  2. Step 2: Convert to fraction form
    68,783.58/94,919.36 = 41,916.28/x
  3. Step 3: Cross multiply
    68,783.58x = 94,919.36 × 41,916.28
  4. Step 4: Simplify right side
    68,783.58x = 3,978,666,471.18
  5. Step 5: Solve for x
    x = 3,978,666,471.18/68,783.58
  6. Step 6: Final answer
    x = 57,843.26

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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.