Finding the Fourth Proportional to 99,119.08, 136,785.36 and 53,797.48
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Solution
The fourth proportional to 99,119.08, 136,785.36 and 53,797.48 is: 74,241.08
Step by Step Solution
- Step 1: Write the proportion equation
99,119.08 : 136,785.36 = 53,797.48 : x - Step 2: Convert to fraction form
99,119.08/136,785.36 = 53,797.48/x - Step 3: Cross multiply
99,119.08x = 136,785.36 × 53,797.48 - Step 4: Simplify right side
99,119.08x = 7,358,707,668.89 - Step 5: Solve for x
x = 7,358,707,668.89/99,119.08 - Step 6: Final answer
x = 74,241.08
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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.