Finding the Fourth Proportional to 73,568.23, 110,351.70 and 48,719.45
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Solution
The fourth proportional to 73,568.23, 110,351.70 and 48,719.45 is: 73,078.75
Step by Step Solution
- Step 1: Write the proportion equation
73,568.23 : 110,351.70 = 48,719.45 : x - Step 2: Convert to fraction form
73,568.23/110,351.70 = 48,719.45/x - Step 3: Cross multiply
73,568.23x = 110,351.70 × 48,719.45 - Step 4: Simplify right side
73,568.23x = 5,376,274,406.44 - Step 5: Solve for x
x = 5,376,274,406.44/73,568.23 - Step 6: Final answer
x = 73,078.75
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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.