Finding the Fourth Proportional to 98,473.74, 135,893.07 and 53,761.74
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Solution
The fourth proportional to 98,473.74, 135,893.07 and 53,761.74 is: 74,190.82
Step by Step Solution
- Step 1: Write the proportion equation
98,473.74 : 135,893.07 = 53,761.74 : x - Step 2: Convert to fraction form
98,473.74/135,893.07 = 53,761.74/x - Step 3: Cross multiply
98,473.74x = 135,893.07 × 53,761.74 - Step 4: Simplify right side
98,473.74x = 7,305,847,897.14 - Step 5: Solve for x
x = 7,305,847,897.14/98,473.74 - Step 6: Final answer
x = 74,190.82
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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.