Home / 86,169.68-118,910.33-49,865.37

Finding the Fourth Proportional to 86,169.68, 118,910.33 and 49,865.37

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Solution

The fourth proportional to 86,169.68, 118,910.33 and 49,865.37 is: 68,811.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,169.68 : 118,910.33 = 49,865.37 : x
  2. Step 2: Convert to fraction form
    86,169.68/118,910.33 = 49,865.37/x
  3. Step 3: Cross multiply
    86,169.68x = 118,910.33 × 49,865.37
  4. Step 4: Simplify right side
    86,169.68x = 5,929,507,094.03
  5. Step 5: Solve for x
    x = 5,929,507,094.03/86,169.68
  6. Step 6: Final answer
    x = 68,811.99

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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.