Finding the Fourth Proportional to 106,696.96, 147,247.71 and 58,949.28
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Solution
The fourth proportional to 106,696.96, 147,247.71 and 58,949.28 is: 81,353.27
Step by Step Solution
- Step 1: Write the proportion equation
106,696.96 : 147,247.71 = 58,949.28 : x - Step 2: Convert to fraction form
106,696.96/147,247.71 = 58,949.28/x - Step 3: Cross multiply
106,696.96x = 147,247.71 × 58,949.28 - Step 4: Simplify right side
106,696.96x = 8,680,146,265.09 - Step 5: Solve for x
x = 8,680,146,265.09/106,696.96 - Step 6: Final answer
x = 81,353.27
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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.