Finding the Fourth Proportional to 67,236.46, 100,807.99 and 29,776.12
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Solution
The fourth proportional to 67,236.46, 100,807.99 and 29,776.12 is: 44,643.50
Step by Step Solution
- Step 1: Write the proportion equation
67,236.46 : 100,807.99 = 29,776.12 : x - Step 2: Convert to fraction form
67,236.46/100,807.99 = 29,776.12/x - Step 3: Cross multiply
67,236.46x = 100,807.99 × 29,776.12 - Step 4: Simplify right side
67,236.46x = 3,001,670,807.20 - Step 5: Solve for x
x = 3,001,670,807.20/67,236.46 - Step 6: Final answer
x = 44,643.50
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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.