Finding the Fourth Proportional to 83,934.57, 125,901.86 and 27,759.60
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Solution
The fourth proportional to 83,934.57, 125,901.86 and 27,759.60 is: 41,639.40
Step by Step Solution
- Step 1: Write the proportion equation
83,934.57 : 125,901.86 = 27,759.60 : x - Step 2: Convert to fraction form
83,934.57/125,901.86 = 27,759.60/x - Step 3: Cross multiply
83,934.57x = 125,901.86 × 27,759.60 - Step 4: Simplify right side
83,934.57x = 3,494,985,342.26 - Step 5: Solve for x
x = 3,494,985,342.26/83,934.57 - Step 6: Final answer
x = 41,639.40
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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.