Home / 123,912.24-185,868.63-30,418.26

Finding the Fourth Proportional to 123,912.24, 185,868.63 and 30,418.26

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Solution

The fourth proportional to 123,912.24, 185,868.63 and 30,418.26 is: 45,627.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,912.24 : 185,868.63 = 30,418.26 : x
  2. Step 2: Convert to fraction form
    123,912.24/185,868.63 = 30,418.26/x
  3. Step 3: Cross multiply
    123,912.24x = 185,868.63 × 30,418.26
  4. Step 4: Simplify right side
    123,912.24x = 5,653,800,313.18
  5. Step 5: Solve for x
    x = 5,653,800,313.18/123,912.24
  6. Step 6: Final answer
    x = 45,627.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.