Finding the Fourth Proportional to 87,949.64, 121,376.94 and 50,223.08
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Solution
The fourth proportional to 87,949.64, 121,376.94 and 50,223.08 is: 69,311.53
Step by Step Solution
- Step 1: Write the proportion equation
87,949.64 : 121,376.94 = 50,223.08 : x - Step 2: Convert to fraction form
87,949.64/121,376.94 = 50,223.08/x - Step 3: Cross multiply
87,949.64x = 121,376.94 × 50,223.08 - Step 4: Simplify right side
87,949.64x = 6,095,923,767.78 - Step 5: Solve for x
x = 6,095,923,767.78/87,949.64 - Step 6: Final answer
x = 69,311.53
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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.