Finding the Fourth Proportional to 88,644.65, 122,329.98 and 48,358.26
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Solution
The fourth proportional to 88,644.65, 122,329.98 and 48,358.26 is: 66,734.60
Step by Step Solution
- Step 1: Write the proportion equation
88,644.65 : 122,329.98 = 48,358.26 : x - Step 2: Convert to fraction form
88,644.65/122,329.98 = 48,358.26/x - Step 3: Cross multiply
88,644.65x = 122,329.98 × 48,358.26 - Step 4: Simplify right side
88,644.65x = 5,915,664,978.63 - Step 5: Solve for x
x = 5,915,664,978.63/88,644.65 - Step 6: Final answer
x = 66,734.60
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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.