Finding the Fourth Proportional to 91,537.92, 126,214.71 and 73,374.12
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Solution
The fourth proportional to 91,537.92, 126,214.71 and 73,374.12 is: 101,170.02
Step by Step Solution
- Step 1: Write the proportion equation
91,537.92 : 126,214.71 = 73,374.12 : x - Step 2: Convert to fraction form
91,537.92/126,214.71 = 73,374.12/x - Step 3: Cross multiply
91,537.92x = 126,214.71 × 73,374.12 - Step 4: Simplify right side
91,537.92x = 9,260,893,277.31 - Step 5: Solve for x
x = 9,260,893,277.31/91,537.92 - Step 6: Final answer
x = 101,170.02
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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.