Finding the Fourth Proportional to 83,189.97, 124,789.68 and 27,034.88
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Solution
The fourth proportional to 83,189.97, 124,789.68 and 27,034.88 is: 40,553.85
Step by Step Solution
- Step 1: Write the proportion equation
83,189.97 : 124,789.68 = 27,034.88 : x - Step 2: Convert to fraction form
83,189.97/124,789.68 = 27,034.88/x - Step 3: Cross multiply
83,189.97x = 124,789.68 × 27,034.88 - Step 4: Simplify right side
83,189.97x = 3,373,673,400.09 - Step 5: Solve for x
x = 3,373,673,400.09/83,189.97 - Step 6: Final answer
x = 40,553.85
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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.