Finding the Fourth Proportional to 88,824.18, 122,578.74 and 53,035.14
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Solution
The fourth proportional to 88,824.18, 122,578.74 and 53,035.14 is: 73,189.31
Step by Step Solution
- Step 1: Write the proportion equation
88,824.18 : 122,578.74 = 53,035.14 : x - Step 2: Convert to fraction form
88,824.18/122,578.74 = 53,035.14/x - Step 3: Cross multiply
88,824.18x = 122,578.74 × 53,035.14 - Step 4: Simplify right side
88,824.18x = 6,500,980,636.92 - Step 5: Solve for x
x = 6,500,980,636.92/88,824.18 - Step 6: Final answer
x = 73,189.31
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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.