Finding the Fourth Proportional to 88,409.25, 132,617.52 and 26,079.75
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Solution
The fourth proportional to 88,409.25, 132,617.52 and 26,079.75 is: 39,120.70
Step by Step Solution
- Step 1: Write the proportion equation
88,409.25 : 132,617.52 = 26,079.75 : x - Step 2: Convert to fraction form
88,409.25/132,617.52 = 26,079.75/x - Step 3: Cross multiply
88,409.25x = 132,617.52 × 26,079.75 - Step 4: Simplify right side
88,409.25x = 3,458,631,767.22 - Step 5: Solve for x
x = 3,458,631,767.22/88,409.25 - Step 6: Final answer
x = 39,120.70
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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.