Home / 75,422.21-104,083.31-41,431.39

Finding the Fourth Proportional to 75,422.21, 104,083.31 and 41,431.39

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Solution

The fourth proportional to 75,422.21, 104,083.31 and 41,431.39 is: 57,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,422.21 : 104,083.31 = 41,431.39 : x
  2. Step 2: Convert to fraction form
    75,422.21/104,083.31 = 41,431.39/x
  3. Step 3: Cross multiply
    75,422.21x = 104,083.31 × 41,431.39
  4. Step 4: Simplify right side
    75,422.21x = 4,312,315,897.10
  5. Step 5: Solve for x
    x = 4,312,315,897.10/75,422.21
  6. Step 6: Final answer
    x = 57,175.68

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1.5x scale

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.