Home / 75,283.31-103,890.26-41,291.11

Finding the Fourth Proportional to 75,283.31, 103,890.26 and 41,291.11

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Solution

The fourth proportional to 75,283.31, 103,890.26 and 41,291.11 is: 56,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,283.31 : 103,890.26 = 41,291.11 : x
  2. Step 2: Convert to fraction form
    75,283.31/103,890.26 = 41,291.11/x
  3. Step 3: Cross multiply
    75,283.31x = 103,890.26 × 41,291.11
  4. Step 4: Simplify right side
    75,283.31x = 4,289,743,634.14
  5. Step 5: Solve for x
    x = 4,289,743,634.14/75,283.31
  6. Step 6: Final answer
    x = 56,981.34

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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.