Finding the Fourth Proportional to 125,669.73, 173,419.83 and 69,080.70
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Solution
The fourth proportional to 125,669.73, 173,419.83 and 69,080.70 is: 95,328.95
Step by Step Solution
- Step 1: Write the proportion equation
125,669.73 : 173,419.83 = 69,080.70 : x - Step 2: Convert to fraction form
125,669.73/173,419.83 = 69,080.70/x - Step 3: Cross multiply
125,669.73x = 173,419.83 × 69,080.70 - Step 4: Simplify right side
125,669.73x = 11,979,963,250.28 - Step 5: Solve for x
x = 11,979,963,250.28/125,669.73 - Step 6: Final answer
x = 95,328.95
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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.