Finding the Fourth Proportional to 79,744.16, 110,024.10 and 47,451.79
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Solution
The fourth proportional to 79,744.16, 110,024.10 and 47,451.79 is: 65,469.88
Step by Step Solution
- Step 1: Write the proportion equation
79,744.16 : 110,024.10 = 47,451.79 : x - Step 2: Convert to fraction form
79,744.16/110,024.10 = 47,451.79/x - Step 3: Cross multiply
79,744.16x = 110,024.10 × 47,451.79 - Step 4: Simplify right side
79,744.16x = 5,220,840,213.08 - Step 5: Solve for x
x = 5,220,840,213.08/79,744.16 - Step 6: Final answer
x = 65,469.88
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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.