Finding the Fourth Proportional to 85,096.74, 127,645.12 and 22,765.62
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Solution
The fourth proportional to 85,096.74, 127,645.12 and 22,765.62 is: 34,148.43
Step by Step Solution
- Step 1: Write the proportion equation
85,096.74 : 127,645.12 = 22,765.62 : x - Step 2: Convert to fraction form
85,096.74/127,645.12 = 22,765.62/x - Step 3: Cross multiply
85,096.74x = 127,645.12 × 22,765.62 - Step 4: Simplify right side
85,096.74x = 2,905,920,296.77 - Step 5: Solve for x
x = 2,905,920,296.77/85,096.74 - Step 6: Final answer
x = 34,148.43
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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.