Home / 124,608.44-171,962-68,021.84

Finding the Fourth Proportional to 124,608.44, 171,962 and 68,021.84

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Solution

The fourth proportional to 124,608.44, 171,962 and 68,021.84 is: 93,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,608.44 : 171,962 = 68,021.84 : x
  2. Step 2: Convert to fraction form
    124,608.44/171,962 = 68,021.84/x
  3. Step 3: Cross multiply
    124,608.44x = 171,962 × 68,021.84
  4. Step 4: Simplify right side
    124,608.44x = 11,697,171,650.08
  5. Step 5: Solve for x
    x = 11,697,171,650.08/124,608.44
  6. Step 6: Final answer
    x = 93,871.42

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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.