Finding the Fourth Proportional to 79,090.26, 118,645.83 and 29,205.42
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Solution
The fourth proportional to 79,090.26, 118,645.83 and 29,205.42 is: 43,811.99
Step by Step Solution
- Step 1: Write the proportion equation
79,090.26 : 118,645.83 = 29,205.42 : x - Step 2: Convert to fraction form
79,090.26/118,645.83 = 29,205.42/x - Step 3: Cross multiply
79,090.26x = 118,645.83 × 29,205.42 - Step 4: Simplify right side
79,090.26x = 3,465,101,296.40 - Step 5: Solve for x
x = 3,465,101,296.40/79,090.26 - Step 6: Final answer
x = 43,811.99
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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.