Finding the Fourth Proportional to 84,565.18, 126,853.68 and 33,964.21
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Solution
The fourth proportional to 84,565.18, 126,853.68 and 33,964.21 is: 50,948.69
Step by Step Solution
- Step 1: Write the proportion equation
84,565.18 : 126,853.68 = 33,964.21 : x - Step 2: Convert to fraction form
84,565.18/126,853.68 = 33,964.21/x - Step 3: Cross multiply
84,565.18x = 126,853.68 × 33,964.21 - Step 4: Simplify right side
84,565.18x = 4,308,485,026.79 - Step 5: Solve for x
x = 4,308,485,026.79/84,565.18 - Step 6: Final answer
x = 50,948.69
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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.