Finding the Fourth Proportional to 96,531.69, 133,066.07 and 67,770.66
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Solution
The fourth proportional to 96,531.69, 133,066.07 and 67,770.66 is: 93,419.84
Step by Step Solution
- Step 1: Write the proportion equation
96,531.69 : 133,066.07 = 67,770.66 : x - Step 2: Convert to fraction form
96,531.69/133,066.07 = 67,770.66/x - Step 3: Cross multiply
96,531.69x = 133,066.07 × 67,770.66 - Step 4: Simplify right side
96,531.69x = 9,017,975,048.65 - Step 5: Solve for x
x = 9,017,975,048.65/96,531.69 - Step 6: Final answer
x = 93,419.84
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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.