Home / 85,623.33-118,183.95-49,820.27

Finding the Fourth Proportional to 85,623.33, 118,183.95 and 49,820.27

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Solution

The fourth proportional to 85,623.33, 118,183.95 and 49,820.27 is: 68,765.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,623.33 : 118,183.95 = 49,820.27 : x
  2. Step 2: Convert to fraction form
    85,623.33/118,183.95 = 49,820.27/x
  3. Step 3: Cross multiply
    85,623.33x = 118,183.95 × 49,820.27
  4. Step 4: Simplify right side
    85,623.33x = 5,887,955,707.75
  5. Step 5: Solve for x
    x = 5,887,955,707.75/85,623.33
  6. Step 6: Final answer
    x = 68,765.79

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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.