Finding the Fourth Proportional to 79,921.04, 110,291.81 and 44,110.31
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Solution
The fourth proportional to 79,921.04, 110,291.81 and 44,110.31 is: 60,872.65
Step by Step Solution
- Step 1: Write the proportion equation
79,921.04 : 110,291.81 = 44,110.31 : x - Step 2: Convert to fraction form
79,921.04/110,291.81 = 44,110.31/x - Step 3: Cross multiply
79,921.04x = 110,291.81 × 44,110.31 - Step 4: Simplify right side
79,921.04x = 4,865,005,157.55 - Step 5: Solve for x
x = 4,865,005,157.55/79,921.04 - Step 6: Final answer
x = 60,872.65
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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.