Finding the Fourth Proportional to 125,052.56, 172,572.52 and 68,464.08
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Solution
The fourth proportional to 125,052.56, 172,572.52 and 68,464.08 is: 94,480.42
Step by Step Solution
- Step 1: Write the proportion equation
125,052.56 : 172,572.52 = 68,464.08 : x - Step 2: Convert to fraction form
125,052.56/172,572.52 = 68,464.08/x - Step 3: Cross multiply
125,052.56x = 172,572.52 × 68,464.08 - Step 4: Simplify right side
125,052.56x = 11,815,018,815.08 - Step 5: Solve for x
x = 11,815,018,815.08/125,052.56 - Step 6: Final answer
x = 94,480.42
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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.