Finding the Fourth Proportional to 125,921.63, 173,776.11 and 68,563.17
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Solution
The fourth proportional to 125,921.63, 173,776.11 and 68,563.17 is: 94,619.50
Step by Step Solution
- Step 1: Write the proportion equation
125,921.63 : 173,776.11 = 68,563.17 : x - Step 2: Convert to fraction form
125,921.63/173,776.11 = 68,563.17/x - Step 3: Cross multiply
125,921.63x = 173,776.11 × 68,563.17 - Step 4: Simplify right side
125,921.63x = 11,914,640,629.05 - Step 5: Solve for x
x = 11,914,640,629.05/125,921.63 - Step 6: Final answer
x = 94,619.50
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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.