Finding the Fourth Proportional to 88,056.05, 121,517.37 and 49,814.84
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Solution
The fourth proportional to 88,056.05, 121,517.37 and 49,814.84 is: 68,744.49
Step by Step Solution
- Step 1: Write the proportion equation
88,056.05 : 121,517.37 = 49,814.84 : x - Step 2: Convert to fraction form
88,056.05/121,517.37 = 49,814.84/x - Step 3: Cross multiply
88,056.05x = 121,517.37 × 49,814.84 - Step 4: Simplify right side
88,056.05x = 6,053,367,736.18 - Step 5: Solve for x
x = 6,053,367,736.18/88,056.05 - Step 6: Final answer
x = 68,744.49
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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.