Finding the Fourth Proportional to 125,974.95, 173,841.87 and 68,612.97
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Solution
The fourth proportional to 125,974.95, 173,841.87 and 68,612.97 is: 94,683.96
Step by Step Solution
- Step 1: Write the proportion equation
125,974.95 : 173,841.87 = 68,612.97 : x - Step 2: Convert to fraction form
125,974.95/173,841.87 = 68,612.97/x - Step 3: Cross multiply
125,974.95x = 173,841.87 × 68,612.97 - Step 4: Simplify right side
125,974.95x = 11,927,807,011.05 - Step 5: Solve for x
x = 11,927,807,011.05/125,974.95 - Step 6: Final answer
x = 94,683.96
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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.