Finding the Fourth Proportional to 84,451.50, 126,677.25 and 31,848.68
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Solution
The fourth proportional to 84,451.50, 126,677.25 and 31,848.68 is: 47,773.02
Step by Step Solution
- Step 1: Write the proportion equation
84,451.50 : 126,677.25 = 31,848.68 : x - Step 2: Convert to fraction form
84,451.50/126,677.25 = 31,848.68/x - Step 3: Cross multiply
84,451.50x = 126,677.25 × 31,848.68 - Step 4: Simplify right side
84,451.50x = 4,034,503,515.22 - Step 5: Solve for x
x = 4,034,503,515.22/84,451.50 - Step 6: Final answer
x = 47,773.02
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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.