Finding the Fourth Proportional to 99,183.08, 136,873.62 and 54,471.08
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Solution
The fourth proportional to 99,183.08, 136,873.62 and 54,471.08 is: 75,170.62
Step by Step Solution
- Step 1: Write the proportion equation
99,183.08 : 136,873.62 = 54,471.08 : x - Step 2: Convert to fraction form
99,183.08/136,873.62 = 54,471.08/x - Step 3: Cross multiply
99,183.08x = 136,873.62 × 54,471.08 - Step 4: Simplify right side
99,183.08x = 7,455,653,904.91 - Step 5: Solve for x
x = 7,455,653,904.91/99,183.08 - Step 6: Final answer
x = 75,170.62
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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.