Finding the Fourth Proportional to 125,445.06, 173,112.71 and 68,084.49
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Solution
The fourth proportional to 125,445.06, 173,112.71 and 68,084.49 is: 93,955.80
Step by Step Solution
- Step 1: Write the proportion equation
125,445.06 : 173,112.71 = 68,084.49 : x - Step 2: Convert to fraction form
125,445.06/173,112.71 = 68,084.49/x - Step 3: Cross multiply
125,445.06x = 173,112.71 × 68,084.49 - Step 4: Simplify right side
125,445.06x = 11,786,290,572.87 - Step 5: Solve for x
x = 11,786,290,572.87/125,445.06 - Step 6: Final answer
x = 93,955.80
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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.