Home / 75,422.58-104,083.83-41,431.76

Finding the Fourth Proportional to 75,422.58, 104,083.83 and 41,431.76

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Solution

The fourth proportional to 75,422.58, 104,083.83 and 41,431.76 is: 57,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,422.58 : 104,083.83 = 41,431.76 : x
  2. Step 2: Convert to fraction form
    75,422.58/104,083.83 = 41,431.76/x
  3. Step 3: Cross multiply
    75,422.58x = 104,083.83 × 41,431.76
  4. Step 4: Simplify right side
    75,422.58x = 4,312,376,369.28
  5. Step 5: Solve for x
    x = 4,312,376,369.28/75,422.58
  6. Step 6: Final answer
    x = 57,176.20

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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.