Finding the Fourth Proportional to 79,736.22, 119,616.01 and 29,137.75
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Solution
The fourth proportional to 79,736.22, 119,616.01 and 29,137.75 is: 43,710.89
Step by Step Solution
- Step 1: Write the proportion equation
79,736.22 : 119,616.01 = 29,137.75 : x - Step 2: Convert to fraction form
79,736.22/119,616.01 = 29,137.75/x - Step 3: Cross multiply
79,736.22x = 119,616.01 × 29,137.75 - Step 4: Simplify right side
79,736.22x = 3,485,341,023.49 - Step 5: Solve for x
x = 3,485,341,023.49/79,736.22 - Step 6: Final answer
x = 43,710.89
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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.