Finding the Fourth Proportional to 80,133.62, 110,574.69 and 44,318.75
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Solution
The fourth proportional to 80,133.62, 110,574.69 and 44,318.75 is: 61,154.51
Step by Step Solution
- Step 1: Write the proportion equation
80,133.62 : 110,574.69 = 44,318.75 : x - Step 2: Convert to fraction form
80,133.62/110,574.69 = 44,318.75/x - Step 3: Cross multiply
80,133.62x = 110,574.69 × 44,318.75 - Step 4: Simplify right side
80,133.62x = 4,900,532,042.44 - Step 5: Solve for x
x = 4,900,532,042.44/80,133.62 - Step 6: Final answer
x = 61,154.51
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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.