Finding the Fourth Proportional to 115,461.15, 159,372.68 and 67,733.79
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Solution
The fourth proportional to 115,461.15, 159,372.68 and 67,733.79 is: 93,493.92
Step by Step Solution
- Step 1: Write the proportion equation
115,461.15 : 159,372.68 = 67,733.79 : x - Step 2: Convert to fraction form
115,461.15/159,372.68 = 67,733.79/x - Step 3: Cross multiply
115,461.15x = 159,372.68 × 67,733.79 - Step 4: Simplify right side
115,461.15x = 10,794,915,300.19 - Step 5: Solve for x
x = 10,794,915,300.19/115,461.15 - Step 6: Final answer
x = 93,493.92
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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.