Finding the Fourth Proportional to 79,918.08, 110,286.40 and 44,108.09
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Solution
The fourth proportional to 79,918.08, 110,286.40 and 44,108.09 is: 60,868.86
Step by Step Solution
- Step 1: Write the proportion equation
79,918.08 : 110,286.40 = 44,108.09 : x - Step 2: Convert to fraction form
79,918.08/110,286.40 = 44,108.09/x - Step 3: Cross multiply
79,918.08x = 110,286.40 × 44,108.09 - Step 4: Simplify right side
79,918.08x = 4,864,521,905.54 - Step 5: Solve for x
x = 4,864,521,905.54/79,918.08 - Step 6: Final answer
x = 60,868.86
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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.