Finding the Fourth Proportional to 74,592.43, 102,934.36 and 40,600.96
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Solution
The fourth proportional to 74,592.43, 102,934.36 and 40,600.96 is: 56,027.59
Step by Step Solution
- Step 1: Write the proportion equation
74,592.43 : 102,934.36 = 40,600.96 : x - Step 2: Convert to fraction form
74,592.43/102,934.36 = 40,600.96/x - Step 3: Cross multiply
74,592.43x = 102,934.36 × 40,600.96 - Step 4: Simplify right side
74,592.43x = 4,179,233,832.99 - Step 5: Solve for x
x = 4,179,233,832.99/74,592.43 - Step 6: Final answer
x = 56,027.59
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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.