Finding the Fourth Proportional to 79,329.81, 118,918.83 and 29,396.49
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Solution
The fourth proportional to 79,329.81, 118,918.83 and 29,396.49 is: 44,066.62
Step by Step Solution
- Step 1: Write the proportion equation
79,329.81 : 118,918.83 = 29,396.49 : x - Step 2: Convert to fraction form
79,329.81/118,918.83 = 29,396.49/x - Step 3: Cross multiply
79,329.81x = 118,918.83 × 29,396.49 - Step 4: Simplify right side
79,329.81x = 3,495,796,196.91 - Step 5: Solve for x
x = 3,495,796,196.91/79,329.81 - Step 6: Final answer
x = 44,066.62
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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.