Finding the Fourth Proportional to 96,512.78, 144,609.08 and 68,292.92
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Solution
The fourth proportional to 96,512.78, 144,609.08 and 68,292.92 is: 102,326.09
Step by Step Solution
- Step 1: Write the proportion equation
96,512.78 : 144,609.08 = 68,292.92 : x - Step 2: Convert to fraction form
96,512.78/144,609.08 = 68,292.92/x - Step 3: Cross multiply
96,512.78x = 144,609.08 × 68,292.92 - Step 4: Simplify right side
96,512.78x = 9,875,775,267.20 - Step 5: Solve for x
x = 9,875,775,267.20/96,512.78 - Step 6: Final answer
x = 102,326.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.