Finding the Fourth Proportional to 126,484.02, 174,541.08 and 69,891.75
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Solution
The fourth proportional to 126,484.02, 174,541.08 and 69,891.75 is: 96,446.82
Step by Step Solution
- Step 1: Write the proportion equation
126,484.02 : 174,541.08 = 69,891.75 : x - Step 2: Convert to fraction form
126,484.02/174,541.08 = 69,891.75/x - Step 3: Cross multiply
126,484.02x = 174,541.08 × 69,891.75 - Step 4: Simplify right side
126,484.02x = 12,198,981,528.09 - Step 5: Solve for x
x = 12,198,981,528.09/126,484.02 - Step 6: Final answer
x = 96,446.82
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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.