Finding the Fourth Proportional to 73,618.44, 110,490.66 and 29,276.40
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Solution
The fourth proportional to 73,618.44, 110,490.66 and 29,276.40 is: 43,939.65
Step by Step Solution
- Step 1: Write the proportion equation
73,618.44 : 110,490.66 = 29,276.40 : x - Step 2: Convert to fraction form
73,618.44/110,490.66 = 29,276.40/x - Step 3: Cross multiply
73,618.44x = 110,490.66 × 29,276.40 - Step 4: Simplify right side
73,618.44x = 3,234,768,758.42 - Step 5: Solve for x
x = 3,234,768,758.42/73,618.44 - Step 6: Final answer
x = 43,939.65
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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.