Finding the Fourth Proportional to 99,192.08, 136,886.04 and 54,480.08
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Solution
The fourth proportional to 99,192.08, 136,886.04 and 54,480.08 is: 75,183.04
Step by Step Solution
- Step 1: Write the proportion equation
99,192.08 : 136,886.04 = 54,480.08 : x - Step 2: Convert to fraction form
99,192.08/136,886.04 = 54,480.08/x - Step 3: Cross multiply
99,192.08x = 136,886.04 × 54,480.08 - Step 4: Simplify right side
99,192.08x = 7,457,562,410.08 - Step 5: Solve for x
x = 7,457,562,410.08/99,192.08 - Step 6: Final answer
x = 75,183.04
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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.