Finding the Fourth Proportional to 116,773.84, 161,159.79 and 71,481.75
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Solution
The fourth proportional to 116,773.84, 161,159.79 and 71,481.75 is: 98,652.09
Step by Step Solution
- Step 1: Write the proportion equation
116,773.84 : 161,159.79 = 71,481.75 : x - Step 2: Convert to fraction form
116,773.84/161,159.79 = 71,481.75/x - Step 3: Cross multiply
116,773.84x = 161,159.79 × 71,481.75 - Step 4: Simplify right side
116,773.84x = 11,519,983,818.83 - Step 5: Solve for x
x = 11,519,983,818.83/116,773.84 - Step 6: Final answer
x = 98,652.09
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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.