Finding the Fourth Proportional to 96,431.58, 144,661.05 and 29,876.94
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Solution
The fourth proportional to 96,431.58, 144,661.05 and 29,876.94 is: 44,819.65
Step by Step Solution
- Step 1: Write the proportion equation
96,431.58 : 144,661.05 = 29,876.94 : x - Step 2: Convert to fraction form
96,431.58/144,661.05 = 29,876.94/x - Step 3: Cross multiply
96,431.58x = 144,661.05 × 29,876.94 - Step 4: Simplify right side
96,431.58x = 4,322,029,511.19 - Step 5: Solve for x
x = 4,322,029,511.19/96,431.58 - Step 6: Final answer
x = 44,819.65
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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.