Finding the Fourth Proportional to 88,914.08, 122,715.60 and 51,186.08
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Solution
The fourth proportional to 88,914.08, 122,715.60 and 51,186.08 is: 70,644.95
Step by Step Solution
- Step 1: Write the proportion equation
88,914.08 : 122,715.60 = 51,186.08 : x - Step 2: Convert to fraction form
88,914.08/122,715.60 = 51,186.08/x - Step 3: Cross multiply
88,914.08x = 122,715.60 × 51,186.08 - Step 4: Simplify right side
88,914.08x = 6,281,330,518.85 - Step 5: Solve for x
x = 6,281,330,518.85/88,914.08 - Step 6: Final answer
x = 70,644.95
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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.