Home / 74,982.72-103,475.52-41,448.48

Finding the Fourth Proportional to 74,982.72, 103,475.52 and 41,448.48

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Solution

The fourth proportional to 74,982.72, 103,475.52 and 41,448.48 is: 57,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,982.72 : 103,475.52 = 41,448.48 : x
  2. Step 2: Convert to fraction form
    74,982.72/103,475.52 = 41,448.48/x
  3. Step 3: Cross multiply
    74,982.72x = 103,475.52 × 41,448.48
  4. Step 4: Simplify right side
    74,982.72x = 4,288,903,021.21
  5. Step 5: Solve for x
    x = 4,288,903,021.21/74,982.72
  6. Step 6: Final answer
    x = 57,198.55

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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.