Finding the Fourth Proportional to 79,767.13, 110,079.36 and 43,958.42
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Solution
The fourth proportional to 79,767.13, 110,079.36 and 43,958.42 is: 60,663.02
Step by Step Solution
- Step 1: Write the proportion equation
79,767.13 : 110,079.36 = 43,958.42 : x - Step 2: Convert to fraction form
79,767.13/110,079.36 = 43,958.42/x - Step 3: Cross multiply
79,767.13x = 110,079.36 × 43,958.42 - Step 4: Simplify right side
79,767.13x = 4,838,914,520.42 - Step 5: Solve for x
x = 4,838,914,520.42/79,767.13 - Step 6: Final answer
x = 60,663.02
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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.