Finding the Fourth Proportional to 89,250.68, 133,793.96 and 38,618.09
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Solution
The fourth proportional to 89,250.68, 133,793.96 and 38,618.09 is: 57,891.63
Step by Step Solution
- Step 1: Write the proportion equation
89,250.68 : 133,793.96 = 38,618.09 : x - Step 2: Convert to fraction form
89,250.68/133,793.96 = 38,618.09/x - Step 3: Cross multiply
89,250.68x = 133,793.96 × 38,618.09 - Step 4: Simplify right side
89,250.68x = 5,166,866,616.31 - Step 5: Solve for x
x = 5,166,866,616.31/89,250.68 - Step 6: Final answer
x = 57,891.63
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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.