Home / 81,854.94-122,806.08-29,268.54

Finding the Fourth Proportional to 81,854.94, 122,806.08 and 29,268.54

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Solution

The fourth proportional to 81,854.94, 122,806.08 and 29,268.54 is: 43,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,854.94 : 122,806.08 = 29,268.54 : x
  2. Step 2: Convert to fraction form
    81,854.94/122,806.08 = 29,268.54/x
  3. Step 3: Cross multiply
    81,854.94x = 122,806.08 × 29,268.54
  4. Step 4: Simplify right side
    81,854.94x = 3,594,354,664.72
  5. Step 5: Solve for x
    x = 3,594,354,664.72/81,854.94
  6. Step 6: Final answer
    x = 43,911.27

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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.