Finding the Fourth Proportional to 88,872.18, 122,645.08 and 53,065.32
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Solution
The fourth proportional to 88,872.18, 122,645.08 and 53,065.32 is: 73,231.02
Step by Step Solution
- Step 1: Write the proportion equation
88,872.18 : 122,645.08 = 53,065.32 : x - Step 2: Convert to fraction form
88,872.18/122,645.08 = 53,065.32/x - Step 3: Cross multiply
88,872.18x = 122,645.08 × 53,065.32 - Step 4: Simplify right side
88,872.18x = 6,508,200,416.63 - Step 5: Solve for x
x = 6,508,200,416.63/88,872.18 - Step 6: Final answer
x = 73,231.02
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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.