Finding the Fourth Proportional to 73,843.80, 110,765.70 and 44,246.40
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Solution
The fourth proportional to 73,843.80, 110,765.70 and 44,246.40 is: 66,369.60
Step by Step Solution
- Step 1: Write the proportion equation
73,843.80 : 110,765.70 = 44,246.40 : x - Step 2: Convert to fraction form
73,843.80/110,765.70 = 44,246.40/x - Step 3: Cross multiply
73,843.80x = 110,765.70 × 44,246.40 - Step 4: Simplify right side
73,843.80x = 4,900,983,468.48 - Step 5: Solve for x
x = 4,900,983,468.48/73,843.80 - Step 6: Final answer
x = 66,369.60
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1.5x scale
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.