Finding the Fourth Proportional to 83,013.68, 124,605.28 and 60,760.96
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Solution
The fourth proportional to 83,013.68, 124,605.28 and 60,760.96 is: 91,203.48
Step by Step Solution
- Step 1: Write the proportion equation
83,013.68 : 124,605.28 = 60,760.96 : x - Step 2: Convert to fraction form
83,013.68/124,605.28 = 60,760.96/x - Step 3: Cross multiply
83,013.68x = 124,605.28 × 60,760.96 - Step 4: Simplify right side
83,013.68x = 7,571,136,433.87 - Step 5: Solve for x
x = 7,571,136,433.87/83,013.68 - Step 6: Final answer
x = 91,203.48
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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.