Finding the Fourth Proportional to 127,515.24, 175,963.99 and 70,922.97
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Solution
The fourth proportional to 127,515.24, 175,963.99 and 70,922.97 is: 97,869.78
Step by Step Solution
- Step 1: Write the proportion equation
127,515.24 : 175,963.99 = 70,922.97 : x - Step 2: Convert to fraction form
127,515.24/175,963.99 = 70,922.97/x - Step 3: Cross multiply
127,515.24x = 175,963.99 × 70,922.97 - Step 4: Simplify right side
127,515.24x = 12,479,889,399.39 - Step 5: Solve for x
x = 12,479,889,399.39/127,515.24 - Step 6: Final answer
x = 97,869.78
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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.