Finding the Fourth Proportional to 99,058.88, 136,624.96 and 68,843.84
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Solution
The fourth proportional to 99,058.88, 136,624.96 and 68,843.84 is: 94,951.48
Step by Step Solution
- Step 1: Write the proportion equation
99,058.88 : 136,624.96 = 68,843.84 : x - Step 2: Convert to fraction form
99,058.88/136,624.96 = 68,843.84/x - Step 3: Cross multiply
99,058.88x = 136,624.96 × 68,843.84 - Step 4: Simplify right side
99,058.88x = 9,405,786,886.25 - Step 5: Solve for x
x = 9,405,786,886.25/99,058.88 - Step 6: Final answer
x = 94,951.48
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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.