Finding the Fourth Proportional to 74,797.48, 103,213.36 and 41,261.32
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Solution
The fourth proportional to 74,797.48, 103,213.36 and 41,261.32 is: 56,936.67
Step by Step Solution
- Step 1: Write the proportion equation
74,797.48 : 103,213.36 = 41,261.32 : x - Step 2: Convert to fraction form
74,797.48/103,213.36 = 41,261.32/x - Step 3: Cross multiply
74,797.48x = 103,213.36 × 41,261.32 - Step 4: Simplify right side
74,797.48x = 4,258,719,475.24 - Step 5: Solve for x
x = 4,258,719,475.24/74,797.48 - Step 6: Final answer
x = 56,936.67
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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.