Finding the Fourth Proportional to 71,676.77, 107,528.12 and 29,533.41
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Solution
The fourth proportional to 71,676.77, 107,528.12 and 29,533.41 is: 44,305.45
Step by Step Solution
- Step 1: Write the proportion equation
71,676.77 : 107,528.12 = 29,533.41 : x - Step 2: Convert to fraction form
71,676.77/107,528.12 = 29,533.41/x - Step 3: Cross multiply
71,676.77x = 107,528.12 × 29,533.41 - Step 4: Simplify right side
71,676.77x = 3,175,671,516.85 - Step 5: Solve for x
x = 3,175,671,516.85/71,676.77 - Step 6: Final answer
x = 44,305.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.