Finding the Fourth Proportional to 96,676.18, 133,412.82 and 53,662.18
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Solution
The fourth proportional to 96,676.18, 133,412.82 and 53,662.18 is: 74,053.64
Step by Step Solution
- Step 1: Write the proportion equation
96,676.18 : 133,412.82 = 53,662.18 : x - Step 2: Convert to fraction form
96,676.18/133,412.82 = 53,662.18/x - Step 3: Cross multiply
96,676.18x = 133,412.82 × 53,662.18 - Step 4: Simplify right side
96,676.18x = 7,159,222,761.15 - Step 5: Solve for x
x = 7,159,222,761.15/96,676.18 - Step 6: Final answer
x = 74,053.64
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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.