Finding the Fourth Proportional to 126,481.02, 174,536.96 and 69,888.75
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Solution
The fourth proportional to 126,481.02, 174,536.96 and 69,888.75 is: 96,442.69
Step by Step Solution
- Step 1: Write the proportion equation
126,481.02 : 174,536.96 = 69,888.75 : x - Step 2: Convert to fraction form
126,481.02/174,536.96 = 69,888.75/x - Step 3: Cross multiply
126,481.02x = 174,536.96 × 69,888.75 - Step 4: Simplify right side
126,481.02x = 12,198,169,613.76 - Step 5: Solve for x
x = 12,198,169,613.76/126,481.02 - Step 6: Final answer
x = 96,442.69
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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.