Finding the Fourth Proportional to 74,440.08, 102,725.28 and 40,906.08
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Solution
The fourth proportional to 74,440.08, 102,725.28 and 40,906.08 is: 56,449.27
Step by Step Solution
- Step 1: Write the proportion equation
74,440.08 : 102,725.28 = 40,906.08 : x - Step 2: Convert to fraction form
74,440.08/102,725.28 = 40,906.08/x - Step 3: Cross multiply
74,440.08x = 102,725.28 × 40,906.08 - Step 4: Simplify right side
74,440.08x = 4,202,088,521.70 - Step 5: Solve for x
x = 4,202,088,521.70/74,440.08 - Step 6: Final answer
x = 56,449.27
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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.