Finding the Fourth Proportional to 77,694.68, 107,218.32 and 44,160.68
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Solution
The fourth proportional to 77,694.68, 107,218.32 and 44,160.68 is: 60,941.55
Step by Step Solution
- Step 1: Write the proportion equation
77,694.68 : 107,218.32 = 44,160.68 : x - Step 2: Convert to fraction form
77,694.68/107,218.32 = 44,160.68/x - Step 3: Cross multiply
77,694.68x = 107,218.32 × 44,160.68 - Step 4: Simplify right side
77,694.68x = 4,734,833,919.66 - Step 5: Solve for x
x = 4,734,833,919.66/77,694.68 - Step 6: Final answer
x = 60,941.55
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1.5x scale
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.