Finding the Fourth Proportional to 95,221.84, 131,336.30 and 68,391.88
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Solution
The fourth proportional to 95,221.84, 131,336.30 and 68,391.88 is: 94,330.63
Step by Step Solution
- Step 1: Write the proportion equation
95,221.84 : 131,336.30 = 68,391.88 : x - Step 2: Convert to fraction form
95,221.84/131,336.30 = 68,391.88/x - Step 3: Cross multiply
95,221.84x = 131,336.30 × 68,391.88 - Step 4: Simplify right side
95,221.84x = 8,982,336,469.24 - Step 5: Solve for x
x = 8,982,336,469.24/95,221.84 - Step 6: Final answer
x = 94,330.63
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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.