Finding the Fourth Proportional to 84,177.24, 126,277.92 and 27,998.88
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Solution
The fourth proportional to 84,177.24, 126,277.92 and 27,998.88 is: 42,002.33
Step by Step Solution
- Step 1: Write the proportion equation
84,177.24 : 126,277.92 = 27,998.88 : x - Step 2: Convert to fraction form
84,177.24/126,277.92 = 27,998.88/x - Step 3: Cross multiply
84,177.24x = 126,277.92 × 27,998.88 - Step 4: Simplify right side
84,177.24x = 3,535,640,328.73 - Step 5: Solve for x
x = 3,535,640,328.73/84,177.24 - Step 6: Final answer
x = 42,002.33
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1.5x scale
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.