Finding the Fourth Proportional to 80,466.19, 120,670.12 and 36,070.09
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Solution
The fourth proportional to 80,466.19, 120,670.12 and 36,070.09 is: 54,092.06
Step by Step Solution
- Step 1: Write the proportion equation
80,466.19 : 120,670.12 = 36,070.09 : x - Step 2: Convert to fraction form
80,466.19/120,670.12 = 36,070.09/x - Step 3: Cross multiply
80,466.19x = 120,670.12 × 36,070.09 - Step 4: Simplify right side
80,466.19x = 4,352,581,832.12 - Step 5: Solve for x
x = 4,352,581,832.12/80,466.19 - Step 6: Final answer
x = 54,092.06
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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.