Finding the Fourth Proportional to 74,046.21, 110,892.75 and 47,308.08
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Solution
The fourth proportional to 74,046.21, 110,892.75 and 47,308.08 is: 70,849.31
Step by Step Solution
- Step 1: Write the proportion equation
74,046.21 : 110,892.75 = 47,308.08 : x - Step 2: Convert to fraction form
74,046.21/110,892.75 = 47,308.08/x - Step 3: Cross multiply
74,046.21x = 110,892.75 × 47,308.08 - Step 4: Simplify right side
74,046.21x = 5,246,123,088.42 - Step 5: Solve for x
x = 5,246,123,088.42/74,046.21 - Step 6: Final answer
x = 70,849.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.