Home / 75,743.02-104,517.21-41,749.90

Finding the Fourth Proportional to 75,743.02, 104,517.21 and 41,749.90

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Solution

The fourth proportional to 75,743.02, 104,517.21 and 41,749.90 is: 57,610.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,743.02 : 104,517.21 = 41,749.90 : x
  2. Step 2: Convert to fraction form
    75,743.02/104,517.21 = 41,749.90/x
  3. Step 3: Cross multiply
    75,743.02x = 104,517.21 × 41,749.90
  4. Step 4: Simplify right side
    75,743.02x = 4,363,583,065.78
  5. Step 5: Solve for x
    x = 4,363,583,065.78/75,743.02
  6. Step 6: Final answer
    x = 57,610.37

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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.