Finding the Fourth Proportional to 84,340.92, 126,507.06 and 25,177.08
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Solution
The fourth proportional to 84,340.92, 126,507.06 and 25,177.08 is: 37,764.33
Step by Step Solution
- Step 1: Write the proportion equation
84,340.92 : 126,507.06 = 25,177.08 : x - Step 2: Convert to fraction form
84,340.92/126,507.06 = 25,177.08/x - Step 3: Cross multiply
84,340.92x = 126,507.06 × 25,177.08 - Step 4: Simplify right side
84,340.92x = 3,185,078,370.18 - Step 5: Solve for x
x = 3,185,078,370.18/84,340.92 - Step 6: Final answer
x = 37,764.33
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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.