Finding the Fourth Proportional to 126,816.09, 175,006.26 and 70,227.48
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Solution
The fourth proportional to 126,816.09, 175,006.26 and 70,227.48 is: 96,913.95
Step by Step Solution
- Step 1: Write the proportion equation
126,816.09 : 175,006.26 = 70,227.48 : x - Step 2: Convert to fraction form
126,816.09/175,006.26 = 70,227.48/x - Step 3: Cross multiply
126,816.09x = 175,006.26 × 70,227.48 - Step 4: Simplify right side
126,816.09x = 12,290,248,624.02 - Step 5: Solve for x
x = 12,290,248,624.02/126,816.09 - Step 6: Final answer
x = 96,913.95
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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.