Home / 74,765.21-103,175.97-41,231.21

Finding the Fourth Proportional to 74,765.21, 103,175.97 and 41,231.21

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Solution

The fourth proportional to 74,765.21, 103,175.97 and 41,231.21 is: 56,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,765.21 : 103,175.97 = 41,231.21 : x
  2. Step 2: Convert to fraction form
    74,765.21/103,175.97 = 41,231.21/x
  3. Step 3: Cross multiply
    74,765.21x = 103,175.97 × 41,231.21
  4. Step 4: Simplify right side
    74,765.21x = 4,254,070,086.02
  5. Step 5: Solve for x
    x = 4,254,070,086.02/74,765.21
  6. Step 6: Final answer
    x = 56,899.06

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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.