Finding the Fourth Proportional to 98,576.13, 148,172.84 and 65,057.53
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Solution
The fourth proportional to 98,576.13, 148,172.84 and 65,057.53 is: 97,789.99
Step by Step Solution
- Step 1: Write the proportion equation
98,576.13 : 148,172.84 = 65,057.53 : x - Step 2: Convert to fraction form
98,576.13/148,172.84 = 65,057.53/x - Step 3: Cross multiply
98,576.13x = 148,172.84 × 65,057.53 - Step 4: Simplify right side
98,576.13x = 9,639,758,983.49 - Step 5: Solve for x
x = 9,639,758,983.49/98,576.13 - Step 6: Final answer
x = 97,789.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.