Finding the Fourth Proportional to 88,946.55, 122,790.87 and 68,757.84
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Solution
The fourth proportional to 88,946.55, 122,790.87 and 68,757.84 is: 94,920.32
Step by Step Solution
- Step 1: Write the proportion equation
88,946.55 : 122,790.87 = 68,757.84 : x - Step 2: Convert to fraction form
88,946.55/122,790.87 = 68,757.84/x - Step 3: Cross multiply
88,946.55x = 122,790.87 × 68,757.84 - Step 4: Simplify right side
88,946.55x = 8,442,834,992.92 - Step 5: Solve for x
x = 8,442,834,992.92/88,946.55 - Step 6: Final answer
x = 94,920.32
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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.