Finding the Fourth Proportional to 98,276.24, 135,624.84 and 55,841.96
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Solution
The fourth proportional to 98,276.24, 135,624.84 and 55,841.96 is: 77,063.97
Step by Step Solution
- Step 1: Write the proportion equation
98,276.24 : 135,624.84 = 55,841.96 : x - Step 2: Convert to fraction form
98,276.24/135,624.84 = 55,841.96/x - Step 3: Cross multiply
98,276.24x = 135,624.84 × 55,841.96 - Step 4: Simplify right side
98,276.24x = 7,573,556,890.29 - Step 5: Solve for x
x = 7,573,556,890.29/98,276.24 - Step 6: Final answer
x = 77,063.97
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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.