Finding the Fourth Proportional to 72,201.06, 108,125.01 and 44,132.94
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Solution
The fourth proportional to 72,201.06, 108,125.01 and 44,132.94 is: 66,091.48
Step by Step Solution
- Step 1: Write the proportion equation
72,201.06 : 108,125.01 = 44,132.94 : x - Step 2: Convert to fraction form
72,201.06/108,125.01 = 44,132.94/x - Step 3: Cross multiply
72,201.06x = 108,125.01 × 44,132.94 - Step 4: Simplify right side
72,201.06x = 4,771,874,578.83 - Step 5: Solve for x
x = 4,771,874,578.83/72,201.06 - Step 6: Final answer
x = 66,091.48
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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.