Finding the Fourth Proportional to 91,207.44, 125,863.82 and 50,920.08
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Solution
The fourth proportional to 91,207.44, 125,863.82 and 50,920.08 is: 70,268.34
Step by Step Solution
- Step 1: Write the proportion equation
91,207.44 : 125,863.82 = 50,920.08 : x - Step 2: Convert to fraction form
91,207.44/125,863.82 = 50,920.08/x - Step 3: Cross multiply
91,207.44x = 125,863.82 × 50,920.08 - Step 4: Simplify right side
91,207.44x = 6,408,995,783.51 - Step 5: Solve for x
x = 6,408,995,783.51/91,207.44 - Step 6: Final answer
x = 70,268.34
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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.