Finding the Fourth Proportional to 98,891.24, 136,470.08 and 58,624.79
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Solution
The fourth proportional to 98,891.24, 136,470.08 and 58,624.79 is: 80,902.31
Step by Step Solution
- Step 1: Write the proportion equation
98,891.24 : 136,470.08 = 58,624.79 : x - Step 2: Convert to fraction form
98,891.24/136,470.08 = 58,624.79/x - Step 3: Cross multiply
98,891.24x = 136,470.08 × 58,624.79 - Step 4: Simplify right side
98,891.24x = 8,000,529,829.33 - Step 5: Solve for x
x = 8,000,529,829.33/98,891.24 - Step 6: Final answer
x = 80,902.31
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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.