Finding the Fourth Proportional to 127,512.62, 175,963.76 and 69,367.53
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Solution
The fourth proportional to 127,512.62, 175,963.76 and 69,367.53 is: 95,725.20
Step by Step Solution
- Step 1: Write the proportion equation
127,512.62 : 175,963.76 = 69,367.53 : x - Step 2: Convert to fraction form
127,512.62/175,963.76 = 69,367.53/x - Step 3: Cross multiply
127,512.62x = 175,963.76 × 69,367.53 - Step 4: Simplify right side
127,512.62x = 12,206,171,574.13 - Step 5: Solve for x
x = 12,206,171,574.13/127,512.62 - Step 6: Final answer
x = 95,725.20
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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.