Finding the Fourth Proportional to 126,934.63, 175,171.71 and 69,573.49
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Solution
The fourth proportional to 126,934.63, 175,171.71 and 69,573.49 is: 96,012.46
Step by Step Solution
- Step 1: Write the proportion equation
126,934.63 : 175,171.71 = 69,573.49 : x - Step 2: Convert to fraction form
126,934.63/175,171.71 = 69,573.49/x - Step 3: Cross multiply
126,934.63x = 175,171.71 × 69,573.49 - Step 4: Simplify right side
126,934.63x = 12,187,305,990.24 - Step 5: Solve for x
x = 12,187,305,990.24/126,934.63 - Step 6: Final answer
x = 96,012.46
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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.