Finding the Fourth Proportional to 98,869.01, 136,439.18 and 53,546.99
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Solution
The fourth proportional to 98,869.01, 136,439.18 and 53,546.99 is: 73,894.82
Step by Step Solution
- Step 1: Write the proportion equation
98,869.01 : 136,439.18 = 53,546.99 : x - Step 2: Convert to fraction form
98,869.01/136,439.18 = 53,546.99/x - Step 3: Cross multiply
98,869.01x = 136,439.18 × 53,546.99 - Step 4: Simplify right side
98,869.01x = 7,305,906,936.45 - Step 5: Solve for x
x = 7,305,906,936.45/98,869.01 - Step 6: Final answer
x = 73,894.82
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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.