Finding the Fourth Proportional to 127,512.37, 175,963.42 and 69,367.28
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Solution
The fourth proportional to 127,512.37, 175,963.42 and 69,367.28 is: 95,724.86
Step by Step Solution
- Step 1: Write the proportion equation
127,512.37 : 175,963.42 = 69,367.28 : x - Step 2: Convert to fraction form
127,512.37/175,963.42 = 69,367.28/x - Step 3: Cross multiply
127,512.37x = 175,963.42 × 69,367.28 - Step 4: Simplify right side
127,512.37x = 12,206,103,824.90 - Step 5: Solve for x
x = 12,206,103,824.90/127,512.37 - Step 6: Final answer
x = 95,724.86
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1.5x scale
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.