Finding the Fourth Proportional to 79,768.68, 110,079.35 and 43,470.44
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Solution
The fourth proportional to 79,768.68, 110,079.35 and 43,470.44 is: 59,988.43
Step by Step Solution
- Step 1: Write the proportion equation
79,768.68 : 110,079.35 = 43,470.44 : x - Step 2: Convert to fraction form
79,768.68/110,079.35 = 43,470.44/x - Step 3: Cross multiply
79,768.68x = 110,079.35 × 43,470.44 - Step 4: Simplify right side
79,768.68x = 4,785,197,587.48 - Step 5: Solve for x
x = 4,785,197,587.48/79,768.68 - Step 6: Final answer
x = 59,988.43
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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.