Finding the Fourth Proportional to 73,881.76, 110,351.18 and 66,850.96
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Solution
The fourth proportional to 73,881.76, 110,351.18 and 66,850.96 is: 99,849.85
Step by Step Solution
- Step 1: Write the proportion equation
73,881.76 : 110,351.18 = 66,850.96 : x - Step 2: Convert to fraction form
73,881.76/110,351.18 = 66,850.96/x - Step 3: Cross multiply
73,881.76x = 110,351.18 × 66,850.96 - Step 4: Simplify right side
73,881.76x = 7,377,082,320.13 - Step 5: Solve for x
x = 7,377,082,320.13/73,881.76 - Step 6: Final answer
x = 99,849.85
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.