Finding the Fourth Proportional to 68,673.84, 102,986.28 and 31,202.52
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Solution
The fourth proportional to 68,673.84, 102,986.28 and 31,202.52 is: 46,792.66
Step by Step Solution
- Step 1: Write the proportion equation
68,673.84 : 102,986.28 = 31,202.52 : x - Step 2: Convert to fraction form
68,673.84/102,986.28 = 31,202.52/x - Step 3: Cross multiply
68,673.84x = 102,986.28 × 31,202.52 - Step 4: Simplify right side
68,673.84x = 3,213,431,461.43 - Step 5: Solve for x
x = 3,213,431,461.43/68,673.84 - Step 6: Final answer
x = 46,792.66
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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.