Home / 74,953.44-103,435.92-41,421.60

Finding the Fourth Proportional to 74,953.44, 103,435.92 and 41,421.60

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Solution

The fourth proportional to 74,953.44, 103,435.92 and 41,421.60 is: 57,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,953.44 : 103,435.92 = 41,421.60 : x
  2. Step 2: Convert to fraction form
    74,953.44/103,435.92 = 41,421.60/x
  3. Step 3: Cross multiply
    74,953.44x = 103,435.92 × 41,421.60
  4. Step 4: Simplify right side
    74,953.44x = 4,284,481,303.87
  5. Step 5: Solve for x
    x = 4,284,481,303.87/74,953.44
  6. Step 6: Final answer
    x = 57,161.90

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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.