Home / 81,376.26-122,062.79-44,009.54

Finding the Fourth Proportional to 81,376.26, 122,062.79 and 44,009.54

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Solution

The fourth proportional to 81,376.26, 122,062.79 and 44,009.54 is: 66,013.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,376.26 : 122,062.79 = 44,009.54 : x
  2. Step 2: Convert to fraction form
    81,376.26/122,062.79 = 44,009.54/x
  3. Step 3: Cross multiply
    81,376.26x = 122,062.79 × 44,009.54
  4. Step 4: Simplify right side
    81,376.26x = 5,371,927,239.02
  5. Step 5: Solve for x
    x = 5,371,927,239.02/81,376.26
  6. Step 6: Final answer
    x = 66,013.44

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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.