Finding the Fourth Proportional to 89,037.38, 122,871.60 and 48,753.62
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Solution
The fourth proportional to 89,037.38, 122,871.60 and 48,753.62 is: 67,280.00
Step by Step Solution
- Step 1: Write the proportion equation
89,037.38 : 122,871.60 = 48,753.62 : x - Step 2: Convert to fraction form
89,037.38/122,871.60 = 48,753.62/x - Step 3: Cross multiply
89,037.38x = 122,871.60 × 48,753.62 - Step 4: Simplify right side
89,037.38x = 5,990,435,295.19 - Step 5: Solve for x
x = 5,990,435,295.19/89,037.38 - Step 6: Final answer
x = 67,280.00
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1.5x scale
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.