Finding the Fourth Proportional to 88,115.74, 121,596.42 and 47,828.63
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Solution
The fourth proportional to 88,115.74, 121,596.42 and 47,828.63 is: 66,001.72
Step by Step Solution
- Step 1: Write the proportion equation
88,115.74 : 121,596.42 = 47,828.63 : x - Step 2: Convert to fraction form
88,115.74/121,596.42 = 47,828.63/x - Step 3: Cross multiply
88,115.74x = 121,596.42 × 47,828.63 - Step 4: Simplify right side
88,115.74x = 5,815,790,181.50 - Step 5: Solve for x
x = 5,815,790,181.50/88,115.74 - Step 6: Final answer
x = 66,001.72
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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.