Finding the Fourth Proportional to 83,791.41, 125,660.46 and 27,621.05
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Solution
The fourth proportional to 83,791.41, 125,660.46 and 27,621.05 is: 41,422.79
Step by Step Solution
- Step 1: Write the proportion equation
83,791.41 : 125,660.46 = 27,621.05 : x - Step 2: Convert to fraction form
83,791.41/125,660.46 = 27,621.05/x - Step 3: Cross multiply
83,791.41x = 125,660.46 × 27,621.05 - Step 4: Simplify right side
83,791.41x = 3,470,874,030.80 - Step 5: Solve for x
x = 3,470,874,030.80/83,791.41 - Step 6: Final answer
x = 41,422.79
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1.5x scale
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.