Finding the Fourth Proportional to 74,083.28, 102,267.76 and 47,260.96
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Solution
The fourth proportional to 74,083.28, 102,267.76 and 47,260.96 is: 65,241.07
Step by Step Solution
- Step 1: Write the proportion equation
74,083.28 : 102,267.76 = 47,260.96 : x - Step 2: Convert to fraction form
74,083.28/102,267.76 = 47,260.96/x - Step 3: Cross multiply
74,083.28x = 102,267.76 × 47,260.96 - Step 4: Simplify right side
74,083.28x = 4,833,272,514.65 - Step 5: Solve for x
x = 4,833,272,514.65/74,083.28 - Step 6: Final answer
x = 65,241.07
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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.