Finding the Fourth Proportional to 83,835.07, 125,768.12 and 27,679.09
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Solution
The fourth proportional to 83,835.07, 125,768.12 and 27,679.09 is: 41,523.76
Step by Step Solution
- Step 1: Write the proportion equation
83,835.07 : 125,768.12 = 27,679.09 : x - Step 2: Convert to fraction form
83,835.07/125,768.12 = 27,679.09/x - Step 3: Cross multiply
83,835.07x = 125,768.12 × 27,679.09 - Step 4: Simplify right side
83,835.07x = 3,481,147,112.61 - Step 5: Solve for x
x = 3,481,147,112.61/83,835.07 - Step 6: Final answer
x = 41,523.76
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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.