Finding the Fourth Proportional to 83,936.07, 125,904.11 and 27,761.10
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Solution
The fourth proportional to 83,936.07, 125,904.11 and 27,761.10 is: 41,641.65
Step by Step Solution
- Step 1: Write the proportion equation
83,936.07 : 125,904.11 = 27,761.10 : x - Step 2: Convert to fraction form
83,936.07/125,904.11 = 27,761.10/x - Step 3: Cross multiply
83,936.07x = 125,904.11 × 27,761.10 - Step 4: Simplify right side
83,936.07x = 3,495,236,588.12 - Step 5: Solve for x
x = 3,495,236,588.12/83,936.07 - Step 6: Final answer
x = 41,641.65
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Similar ratio
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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.