Finding the Fourth Proportional to 123,027.27, 169,779.42 and 68,577.99
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Solution
The fourth proportional to 123,027.27, 169,779.42 and 68,577.99 is: 94,638.62
Step by Step Solution
- Step 1: Write the proportion equation
123,027.27 : 169,779.42 = 68,577.99 : x - Step 2: Convert to fraction form
123,027.27/169,779.42 = 68,577.99/x - Step 3: Cross multiply
123,027.27x = 169,779.42 × 68,577.99 - Step 4: Simplify right side
123,027.27x = 11,643,131,366.97 - Step 5: Solve for x
x = 11,643,131,366.97/123,027.27 - Step 6: Final answer
x = 94,638.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.