Finding the Fourth Proportional to 80,804.97, 121,132.62 and 41,274.90
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Solution
The fourth proportional to 80,804.97, 121,132.62 and 41,274.90 is: 61,874.12
Step by Step Solution
- Step 1: Write the proportion equation
80,804.97 : 121,132.62 = 41,274.90 : x - Step 2: Convert to fraction form
80,804.97/121,132.62 = 41,274.90/x - Step 3: Cross multiply
80,804.97x = 121,132.62 × 41,274.90 - Step 4: Simplify right side
80,804.97x = 4,999,736,777.24 - Step 5: Solve for x
x = 4,999,736,777.24/80,804.97 - Step 6: Final answer
x = 61,874.12
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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.