Finding the Fourth Proportional to 125,869.95, 173,703.69 and 68,512.37
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Solution
The fourth proportional to 125,869.95, 173,703.69 and 68,512.37 is: 94,548.78
Step by Step Solution
- Step 1: Write the proportion equation
125,869.95 : 173,703.69 = 68,512.37 : x - Step 2: Convert to fraction form
125,869.95/173,703.69 = 68,512.37/x - Step 3: Cross multiply
125,869.95x = 173,703.69 × 68,512.37 - Step 4: Simplify right side
125,869.95x = 11,900,850,611.13 - Step 5: Solve for x
x = 11,900,850,611.13/125,869.95 - Step 6: Final answer
x = 94,548.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.