Finding the Fourth Proportional to 88,115.90, 121,596.68 and 47,828.82
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Solution
The fourth proportional to 88,115.90, 121,596.68 and 47,828.82 is: 66,002.00
Step by Step Solution
- Step 1: Write the proportion equation
88,115.90 : 121,596.68 = 47,828.82 : x - Step 2: Convert to fraction form
88,115.90/121,596.68 = 47,828.82/x - Step 3: Cross multiply
88,115.90x = 121,596.68 × 47,828.82 - Step 4: Simplify right side
88,115.90x = 5,815,825,720.32 - Step 5: Solve for x
x = 5,815,825,720.32/88,115.90 - Step 6: Final answer
x = 66,002.00
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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.