Finding the Fourth Proportional to 125,712.24, 173,483.04 and 68,351.28
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Solution
The fourth proportional to 125,712.24, 173,483.04 and 68,351.28 is: 94,324.85
Step by Step Solution
- Step 1: Write the proportion equation
125,712.24 : 173,483.04 = 68,351.28 : x - Step 2: Convert to fraction form
125,712.24/173,483.04 = 68,351.28/x - Step 3: Cross multiply
125,712.24x = 173,483.04 × 68,351.28 - Step 4: Simplify right side
125,712.24x = 11,857,787,842.29 - Step 5: Solve for x
x = 11,857,787,842.29/125,712.24 - Step 6: Final answer
x = 94,324.85
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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.