Finding the Fourth Proportional to 79,072.93, 118,625.28 and 29,153.26
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Solution
The fourth proportional to 79,072.93, 118,625.28 and 29,153.26 is: 43,735.75
Step by Step Solution
- Step 1: Write the proportion equation
79,072.93 : 118,625.28 = 29,153.26 : x - Step 2: Convert to fraction form
79,072.93/118,625.28 = 29,153.26/x - Step 3: Cross multiply
79,072.93x = 118,625.28 × 29,153.26 - Step 4: Simplify right side
79,072.93x = 3,458,313,630.41 - Step 5: Solve for x
x = 3,458,313,630.41/79,072.93 - Step 6: Final answer
x = 43,735.75
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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.