Finding the Fourth Proportional to 73,649.80, 110,474.70 and 44,125.30
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Solution
The fourth proportional to 73,649.80, 110,474.70 and 44,125.30 is: 66,187.95
Step by Step Solution
- Step 1: Write the proportion equation
73,649.80 : 110,474.70 = 44,125.30 : x - Step 2: Convert to fraction form
73,649.80/110,474.70 = 44,125.30/x - Step 3: Cross multiply
73,649.80x = 110,474.70 × 44,125.30 - Step 4: Simplify right side
73,649.80x = 4,874,729,279.91 - Step 5: Solve for x
x = 4,874,729,279.91/73,649.80 - Step 6: Final answer
x = 66,187.95
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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.