Finding the Fourth Proportional to 73,314.76, 110,036.94 and 48,284.68
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Solution
The fourth proportional to 73,314.76, 110,036.94 and 48,284.68 is: 72,469.70
Step by Step Solution
- Step 1: Write the proportion equation
73,314.76 : 110,036.94 = 48,284.68 : x - Step 2: Convert to fraction form
73,314.76/110,036.94 = 48,284.68/x - Step 3: Cross multiply
73,314.76x = 110,036.94 × 48,284.68 - Step 4: Simplify right side
73,314.76x = 5,313,098,436.08 - Step 5: Solve for x
x = 5,313,098,436.08/73,314.76 - Step 6: Final answer
x = 72,469.70
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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.