Finding the Fourth Proportional to 72,627.44, 108,787.96 and 33,217.68
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Solution
The fourth proportional to 72,627.44, 108,787.96 and 33,217.68 is: 49,756.45
Step by Step Solution
- Step 1: Write the proportion equation
72,627.44 : 108,787.96 = 33,217.68 : x - Step 2: Convert to fraction form
72,627.44/108,787.96 = 33,217.68/x - Step 3: Cross multiply
72,627.44x = 108,787.96 × 33,217.68 - Step 4: Simplify right side
72,627.44x = 3,613,683,643.13 - Step 5: Solve for x
x = 3,613,683,643.13/72,627.44 - Step 6: Final answer
x = 49,756.45
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1.5x scale
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.