Finding the Fourth Proportional to 117,587.62, 162,272.67 and 66,599.09
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Solution
The fourth proportional to 117,587.62, 162,272.67 and 66,599.09 is: 91,907.73
Step by Step Solution
- Step 1: Write the proportion equation
117,587.62 : 162,272.67 = 66,599.09 : x - Step 2: Convert to fraction form
117,587.62/162,272.67 = 66,599.09/x - Step 3: Cross multiply
117,587.62x = 162,272.67 × 66,599.09 - Step 4: Simplify right side
117,587.62x = 10,807,211,244.89 - Step 5: Solve for x
x = 10,807,211,244.89/117,587.62 - Step 6: Final answer
x = 91,907.73
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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.