Finding the Fourth Proportional to 79,818.13, 110,149.76 and 44,009.41
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Solution
The fourth proportional to 79,818.13, 110,149.76 and 44,009.41 is: 60,733.39
Step by Step Solution
- Step 1: Write the proportion equation
79,818.13 : 110,149.76 = 44,009.41 : x - Step 2: Convert to fraction form
79,818.13/110,149.76 = 44,009.41/x - Step 3: Cross multiply
79,818.13x = 110,149.76 × 44,009.41 - Step 4: Simplify right side
79,818.13x = 4,847,625,742.87 - Step 5: Solve for x
x = 4,847,625,742.87/79,818.13 - Step 6: Final answer
x = 60,733.39
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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.