Finding the Fourth Proportional to 68,464.36, 102,676.14 and 29,020.84
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Solution
The fourth proportional to 68,464.36, 102,676.14 and 29,020.84 is: 43,522.61
Step by Step Solution
- Step 1: Write the proportion equation
68,464.36 : 102,676.14 = 29,020.84 : x - Step 2: Convert to fraction form
68,464.36/102,676.14 = 29,020.84/x - Step 3: Cross multiply
68,464.36x = 102,676.14 × 29,020.84 - Step 4: Simplify right side
68,464.36x = 2,979,747,830.76 - Step 5: Solve for x
x = 2,979,747,830.76/68,464.36 - Step 6: Final answer
x = 43,522.61
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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.