Finding the Fourth Proportional to 89,017.14, 122,843.88 and 48,731.19
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Solution
The fourth proportional to 89,017.14, 122,843.88 and 48,731.19 is: 67,249.17
Step by Step Solution
- Step 1: Write the proportion equation
89,017.14 : 122,843.88 = 48,731.19 : x - Step 2: Convert to fraction form
89,017.14/122,843.88 = 48,731.19/x - Step 3: Cross multiply
89,017.14x = 122,843.88 × 48,731.19 - Step 4: Simplify right side
89,017.14x = 5,986,328,456.62 - Step 5: Solve for x
x = 5,986,328,456.62/89,017.14 - Step 6: Final answer
x = 67,249.17
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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.