Finding the Fourth Proportional to 79,092.51, 118,654.62 and 29,172.88
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Solution
The fourth proportional to 79,092.51, 118,654.62 and 29,172.88 is: 43,765.17
Step by Step Solution
- Step 1: Write the proportion equation
79,092.51 : 118,654.62 = 29,172.88 : x - Step 2: Convert to fraction form
79,092.51/118,654.62 = 29,172.88/x - Step 3: Cross multiply
79,092.51x = 118,654.62 × 29,172.88 - Step 4: Simplify right side
79,092.51x = 3,461,496,990.71 - Step 5: Solve for x
x = 3,461,496,990.71/79,092.51 - Step 6: Final answer
x = 43,765.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.