Finding the Fourth Proportional to 98,195.68, 135,510.06 and 55,760.68
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Solution
The fourth proportional to 98,195.68, 135,510.06 and 55,760.68 is: 76,949.75
Step by Step Solution
- Step 1: Write the proportion equation
98,195.68 : 135,510.06 = 55,760.68 : x - Step 2: Convert to fraction form
98,195.68/135,510.06 = 55,760.68/x - Step 3: Cross multiply
98,195.68x = 135,510.06 × 55,760.68 - Step 4: Simplify right side
98,195.68x = 7,556,133,092.44 - Step 5: Solve for x
x = 7,556,133,092.44/98,195.68 - Step 6: Final answer
x = 76,949.75
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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.