Finding the Fourth Proportional to 89,374.68, 134,078.49 and 29,406.60
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Solution
The fourth proportional to 89,374.68, 134,078.49 and 29,406.60 is: 44,115.32
Step by Step Solution
- Step 1: Write the proportion equation
89,374.68 : 134,078.49 = 29,406.60 : x - Step 2: Convert to fraction form
89,374.68/134,078.49 = 29,406.60/x - Step 3: Cross multiply
89,374.68x = 134,078.49 × 29,406.60 - Step 4: Simplify right side
89,374.68x = 3,942,792,524.03 - Step 5: Solve for x
x = 3,942,792,524.03/89,374.68 - Step 6: Final answer
x = 44,115.32
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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.