Finding the Fourth Proportional to 95,920.05, 132,414.24 and 68,342.49
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Solution
The fourth proportional to 95,920.05, 132,414.24 and 68,342.49 is: 94,344.39
Step by Step Solution
- Step 1: Write the proportion equation
95,920.05 : 132,414.24 = 68,342.49 : x - Step 2: Convert to fraction form
95,920.05/132,414.24 = 68,342.49/x - Step 3: Cross multiply
95,920.05x = 132,414.24 × 68,342.49 - Step 4: Simplify right side
95,920.05x = 9,049,518,873.06 - Step 5: Solve for x
x = 9,049,518,873.06/95,920.05 - Step 6: Final answer
x = 94,344.39
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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.