Finding the Fourth Proportional to 115,764.27, 159,703.99 and 67,996.08
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Solution
The fourth proportional to 115,764.27, 159,703.99 and 67,996.08 is: 93,804.81
Step by Step Solution
- Step 1: Write the proportion equation
115,764.27 : 159,703.99 = 67,996.08 : x - Step 2: Convert to fraction form
115,764.27/159,703.99 = 67,996.08/x - Step 3: Cross multiply
115,764.27x = 159,703.99 × 67,996.08 - Step 4: Simplify right side
115,764.27x = 10,859,245,280.36 - Step 5: Solve for x
x = 10,859,245,280.36/115,764.27 - Step 6: Final answer
x = 93,804.81
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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.