Finding the Fourth Proportional to 79,953.60, 110,335.36 and 44,145.28
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Solution
The fourth proportional to 79,953.60, 110,335.36 and 44,145.28 is: 60,920.15
Step by Step Solution
- Step 1: Write the proportion equation
79,953.60 : 110,335.36 = 44,145.28 : x - Step 2: Convert to fraction form
79,953.60/110,335.36 = 44,145.28/x - Step 3: Cross multiply
79,953.60x = 110,335.36 × 44,145.28 - Step 4: Simplify right side
79,953.60x = 4,870,785,361.10 - Step 5: Solve for x
x = 4,870,785,361.10/79,953.60 - Step 6: Final answer
x = 60,920.15
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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.