Finding the Fourth Proportional to 83,936.19, 125,904.30 and 27,761.23
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Solution
The fourth proportional to 83,936.19, 125,904.30 and 27,761.23 is: 41,641.85
Step by Step Solution
- Step 1: Write the proportion equation
83,936.19 : 125,904.30 = 27,761.23 : x - Step 2: Convert to fraction form
83,936.19/125,904.30 = 27,761.23/x - Step 3: Cross multiply
83,936.19x = 125,904.30 × 27,761.23 - Step 4: Simplify right side
83,936.19x = 3,495,258,230.29 - Step 5: Solve for x
x = 3,495,258,230.29/83,936.19 - Step 6: Final answer
x = 41,641.85
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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.