Finding the Fourth Proportional to 79,889.46, 110,247.21 and 44,079.15
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Solution
The fourth proportional to 79,889.46, 110,247.21 and 44,079.15 is: 60,829.09
Step by Step Solution
- Step 1: Write the proportion equation
79,889.46 : 110,247.21 = 44,079.15 : x - Step 2: Convert to fraction form
79,889.46/110,247.21 = 44,079.15/x - Step 3: Cross multiply
79,889.46x = 110,247.21 × 44,079.15 - Step 4: Simplify right side
79,889.46x = 4,859,603,306.67 - Step 5: Solve for x
x = 4,859,603,306.67/79,889.46 - Step 6: Final answer
x = 60,829.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.