Home / 89,858.75-124,003.50-49,576.37

Finding the Fourth Proportional to 89,858.75, 124,003.50 and 49,576.37

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Solution

The fourth proportional to 89,858.75, 124,003.50 and 49,576.37 is: 68,414.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,858.75 : 124,003.50 = 49,576.37 : x
  2. Step 2: Convert to fraction form
    89,858.75/124,003.50 = 49,576.37/x
  3. Step 3: Cross multiply
    89,858.75x = 124,003.50 × 49,576.37
  4. Step 4: Simplify right side
    89,858.75x = 6,147,642,777.28
  5. Step 5: Solve for x
    x = 6,147,642,777.28/89,858.75
  6. Step 6: Final answer
    x = 68,414.52

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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.