Finding the Fourth Proportional to 107,105.57, 147,805.68 and 59,361.99
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Solution
The fourth proportional to 107,105.57, 147,805.68 and 59,361.99 is: 81,919.55
Step by Step Solution
- Step 1: Write the proportion equation
107,105.57 : 147,805.68 = 59,361.99 : x - Step 2: Convert to fraction form
107,105.57/147,805.68 = 59,361.99/x - Step 3: Cross multiply
107,105.57x = 147,805.68 × 59,361.99 - Step 4: Simplify right side
107,105.57x = 8,774,039,630.89 - Step 5: Solve for x
x = 8,774,039,630.89/107,105.57 - Step 6: Final answer
x = 81,919.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.