Finding the Fourth Proportional to 81,626.08, 122,427.60 and 26,214.88
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Solution
The fourth proportional to 81,626.08, 122,427.60 and 26,214.88 is: 39,318.62
Step by Step Solution
- Step 1: Write the proportion equation
81,626.08 : 122,427.60 = 26,214.88 : x - Step 2: Convert to fraction form
81,626.08/122,427.60 = 26,214.88/x - Step 3: Cross multiply
81,626.08x = 122,427.60 × 26,214.88 - Step 4: Simplify right side
81,626.08x = 3,209,424,842.69 - Step 5: Solve for x
x = 3,209,424,842.69/81,626.08 - Step 6: Final answer
x = 39,318.62
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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.