Home / 68,825.33-103,150.91-39,259.79

Finding the Fourth Proportional to 68,825.33, 103,150.91 and 39,259.79

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Solution

The fourth proportional to 68,825.33, 103,150.91 and 39,259.79 is: 58,840.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,825.33 : 103,150.91 = 39,259.79 : x
  2. Step 2: Convert to fraction form
    68,825.33/103,150.91 = 39,259.79/x
  3. Step 3: Cross multiply
    68,825.33x = 103,150.91 × 39,259.79
  4. Step 4: Simplify right side
    68,825.33x = 4,049,682,352.86
  5. Step 5: Solve for x
    x = 4,049,682,352.86/68,825.33
  6. Step 6: Final answer
    x = 58,840.00

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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.