Finding the Fourth Proportional to 96,529.80, 132,961.86 and 68,186.28
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Solution
The fourth proportional to 96,529.80, 132,961.86 and 68,186.28 is: 93,920.99
Step by Step Solution
- Step 1: Write the proportion equation
96,529.80 : 132,961.86 = 68,186.28 : x - Step 2: Convert to fraction form
96,529.80/132,961.86 = 68,186.28/x - Step 3: Cross multiply
96,529.80x = 132,961.86 × 68,186.28 - Step 4: Simplify right side
96,529.80x = 9,066,174,615.28 - Step 5: Solve for x
x = 9,066,174,615.28/96,529.80 - Step 6: Final answer
x = 93,920.99
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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.