Finding the Fourth Proportional to 88,616.84, 122,289.72 and 48,330.68
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Solution
The fourth proportional to 88,616.84, 122,289.72 and 48,330.68 is: 66,695.51
Step by Step Solution
- Step 1: Write the proportion equation
88,616.84 : 122,289.72 = 48,330.68 : x - Step 2: Convert to fraction form
88,616.84/122,289.72 = 48,330.68/x - Step 3: Cross multiply
88,616.84x = 122,289.72 × 48,330.68 - Step 4: Simplify right side
88,616.84x = 5,910,345,324.61 - Step 5: Solve for x
x = 5,910,345,324.61/88,616.84 - Step 6: Final answer
x = 66,695.51
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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.