Finding the Fourth Proportional to 75,007.92, 103,416.84 and 48,102.96
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Solution
The fourth proportional to 75,007.92, 103,416.84 and 48,102.96 is: 66,321.74
Step by Step Solution
- Step 1: Write the proportion equation
75,007.92 : 103,416.84 = 48,102.96 : x - Step 2: Convert to fraction form
75,007.92/103,416.84 = 48,102.96/x - Step 3: Cross multiply
75,007.92x = 103,416.84 × 48,102.96 - Step 4: Simplify right side
75,007.92x = 4,974,656,117.85 - Step 5: Solve for x
x = 4,974,656,117.85/75,007.92 - Step 6: Final answer
x = 66,321.74
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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.