Finding the Fourth Proportional to 88,721.56, 132,971.61 and 44,360.99
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Solution
The fourth proportional to 88,721.56, 132,971.61 and 44,360.99 is: 66,486.12
Step by Step Solution
- Step 1: Write the proportion equation
88,721.56 : 132,971.61 = 44,360.99 : x - Step 2: Convert to fraction form
88,721.56/132,971.61 = 44,360.99/x - Step 3: Cross multiply
88,721.56x = 132,971.61 × 44,360.99 - Step 4: Simplify right side
88,721.56x = 5,898,752,261.49 - Step 5: Solve for x
x = 5,898,752,261.49/88,721.56 - Step 6: Final answer
x = 66,486.12
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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.