Finding the Fourth Proportional to 83,934.19, 125,901.30 and 27,759.23
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Solution
The fourth proportional to 83,934.19, 125,901.30 and 27,759.23 is: 41,638.84
Step by Step Solution
- Step 1: Write the proportion equation
83,934.19 : 125,901.30 = 27,759.23 : x - Step 2: Convert to fraction form
83,934.19/125,901.30 = 27,759.23/x - Step 3: Cross multiply
83,934.19x = 125,901.30 × 27,759.23 - Step 4: Simplify right side
83,934.19x = 3,494,922,514.49 - Step 5: Solve for x
x = 3,494,922,514.49/83,934.19 - Step 6: Final answer
x = 41,638.84
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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.