Home / 74,958.08-103,439.36-41,424.64

Finding the Fourth Proportional to 74,958.08, 103,439.36 and 41,424.64

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Solution

The fourth proportional to 74,958.08, 103,439.36 and 41,424.64 is: 57,164.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,958.08 : 103,439.36 = 41,424.64 : x
  2. Step 2: Convert to fraction form
    74,958.08/103,439.36 = 41,424.64/x
  3. Step 3: Cross multiply
    74,958.08x = 103,439.36 × 41,424.64
  4. Step 4: Simplify right side
    74,958.08x = 4,284,938,249.83
  5. Step 5: Solve for x
    x = 4,284,938,249.83/74,958.08
  6. Step 6: Final answer
    x = 57,164.46

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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.