Finding the Fourth Proportional to 81,727.96, 122,363.56 and 44,153.42
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Solution
The fourth proportional to 81,727.96, 122,363.56 and 44,153.42 is: 66,106.75
Step by Step Solution
- Step 1: Write the proportion equation
81,727.96 : 122,363.56 = 44,153.42 : x - Step 2: Convert to fraction form
81,727.96/122,363.56 = 44,153.42/x - Step 3: Cross multiply
81,727.96x = 122,363.56 × 44,153.42 - Step 4: Simplify right side
81,727.96x = 5,402,770,047.15 - Step 5: Solve for x
x = 5,402,770,047.15/81,727.96 - Step 6: Final answer
x = 66,106.75
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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.