Finding the Fourth Proportional to 88,578.09, 122,237.64 and 48,291.80
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Solution
The fourth proportional to 88,578.09, 122,237.64 and 48,291.80 is: 66,642.61
Step by Step Solution
- Step 1: Write the proportion equation
88,578.09 : 122,237.64 = 48,291.80 : x - Step 2: Convert to fraction form
88,578.09/122,237.64 = 48,291.80/x - Step 3: Cross multiply
88,578.09x = 122,237.64 × 48,291.80 - Step 4: Simplify right side
88,578.09x = 5,903,075,052.16 - Step 5: Solve for x
x = 5,903,075,052.16/88,578.09 - Step 6: Final answer
x = 66,642.61
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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.