Finding the Fourth Proportional to 125,970.20, 173,843.04 and 68,611.76
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Solution
The fourth proportional to 125,970.20, 173,843.04 and 68,611.76 is: 94,686.50
Step by Step Solution
- Step 1: Write the proportion equation
125,970.20 : 173,843.04 = 68,611.76 : x - Step 2: Convert to fraction form
125,970.20/173,843.04 = 68,611.76/x - Step 3: Cross multiply
125,970.20x = 173,843.04 × 68,611.76 - Step 4: Simplify right side
125,970.20x = 11,927,676,938.15 - Step 5: Solve for x
x = 11,927,676,938.15/125,970.20 - Step 6: Final answer
x = 94,686.50
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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.