Finding the Fourth Proportional to 73,701.96, 101,709.09 and 41,872.68
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Solution
The fourth proportional to 73,701.96, 101,709.09 and 41,872.68 is: 57,784.52
Step by Step Solution
- Step 1: Write the proportion equation
73,701.96 : 101,709.09 = 41,872.68 : x - Step 2: Convert to fraction form
73,701.96/101,709.09 = 41,872.68/x - Step 3: Cross multiply
73,701.96x = 101,709.09 × 41,872.68 - Step 4: Simplify right side
73,701.96x = 4,258,832,178.66 - Step 5: Solve for x
x = 4,258,832,178.66/73,701.96 - Step 6: Final answer
x = 57,784.52
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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.