Finding the Fourth Proportional to 89,183.08, 123,078.18 and 49,439.08
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Solution
The fourth proportional to 89,183.08, 123,078.18 and 49,439.08 is: 68,229.00
Step by Step Solution
- Step 1: Write the proportion equation
89,183.08 : 123,078.18 = 49,439.08 : x - Step 2: Convert to fraction form
89,183.08/123,078.18 = 49,439.08/x - Step 3: Cross multiply
89,183.08x = 123,078.18 × 49,439.08 - Step 4: Simplify right side
89,183.08x = 6,084,871,987.27 - Step 5: Solve for x
x = 6,084,871,987.27/89,183.08 - Step 6: Final answer
x = 68,229.00
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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.