Finding the Fourth Proportional to 88,652.75, 122,385.94 and 68,464.31
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Solution
The fourth proportional to 88,652.75, 122,385.94 and 68,464.31 is: 94,515.61
Step by Step Solution
- Step 1: Write the proportion equation
88,652.75 : 122,385.94 = 68,464.31 : x - Step 2: Convert to fraction form
88,652.75/122,385.94 = 68,464.31/x - Step 3: Cross multiply
88,652.75x = 122,385.94 × 68,464.31 - Step 4: Simplify right side
88,652.75x = 8,379,068,152.71 - Step 5: Solve for x
x = 8,379,068,152.71/88,652.75 - Step 6: Final answer
x = 94,515.61
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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.