Finding the Fourth Proportional to 79,239.93, 118,853.91 and 29,296.68
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Solution
The fourth proportional to 79,239.93, 118,853.91 and 29,296.68 is: 43,942.81
Step by Step Solution
- Step 1: Write the proportion equation
79,239.93 : 118,853.91 = 29,296.68 : x - Step 2: Convert to fraction form
79,239.93/118,853.91 = 29,296.68/x - Step 3: Cross multiply
79,239.93x = 118,853.91 × 29,296.68 - Step 4: Simplify right side
79,239.93x = 3,482,024,968.02 - Step 5: Solve for x
x = 3,482,024,968.02/79,239.93 - Step 6: Final answer
x = 43,942.81
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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.