Finding the Fourth Proportional to 112,375.08, 168,642.72 and 53,223.84
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Solution
The fourth proportional to 112,375.08, 168,642.72 and 53,223.84 is: 79,873.70
Step by Step Solution
- Step 1: Write the proportion equation
112,375.08 : 168,642.72 = 53,223.84 : x - Step 2: Convert to fraction form
112,375.08/168,642.72 = 53,223.84/x - Step 3: Cross multiply
112,375.08x = 168,642.72 × 53,223.84 - Step 4: Simplify right side
112,375.08x = 8,975,813,146.44 - Step 5: Solve for x
x = 8,975,813,146.44/112,375.08 - Step 6: Final answer
x = 79,873.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.