Finding the Fourth Proportional to 125,043.62, 172,560.20 and 68,454.99
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Solution
The fourth proportional to 125,043.62, 172,560.20 and 68,454.99 is: 94,467.89
Step by Step Solution
- Step 1: Write the proportion equation
125,043.62 : 172,560.20 = 68,454.99 : x - Step 2: Convert to fraction form
125,043.62/172,560.20 = 68,454.99/x - Step 3: Cross multiply
125,043.62x = 172,560.20 × 68,454.99 - Step 4: Simplify right side
125,043.62x = 11,812,606,423.12 - Step 5: Solve for x
x = 11,812,606,423.12/125,043.62 - Step 6: Final answer
x = 94,467.89
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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.