Finding the Fourth Proportional to 73,747.08, 101,772.72 and 41,915.70
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Solution
The fourth proportional to 73,747.08, 101,772.72 and 41,915.70 is: 57,844.66
Step by Step Solution
- Step 1: Write the proportion equation
73,747.08 : 101,772.72 = 41,915.70 : x - Step 2: Convert to fraction form
73,747.08/101,772.72 = 41,915.70/x - Step 3: Cross multiply
73,747.08x = 101,772.72 × 41,915.70 - Step 4: Simplify right side
73,747.08x = 4,265,874,799.70 - Step 5: Solve for x
x = 4,265,874,799.70/73,747.08 - Step 6: Final answer
x = 57,844.66
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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.