Finding the Fourth Proportional to 125,059.02, 172,585.80 and 68,470.80
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Solution
The fourth proportional to 125,059.02, 172,585.80 and 68,470.80 is: 94,492.09
Step by Step Solution
- Step 1: Write the proportion equation
125,059.02 : 172,585.80 = 68,470.80 : x - Step 2: Convert to fraction form
125,059.02/172,585.80 = 68,470.80/x - Step 3: Cross multiply
125,059.02x = 172,585.80 × 68,470.80 - Step 4: Simplify right side
125,059.02x = 11,817,087,794.64 - Step 5: Solve for x
x = 11,817,087,794.64/125,059.02 - Step 6: Final answer
x = 94,492.09
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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.