Finding the Fourth Proportional to 68,992.67, 103,415.33 and 39,346.67
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Solution
The fourth proportional to 68,992.67, 103,415.33 and 39,346.67 is: 58,977.99
Step by Step Solution
- Step 1: Write the proportion equation
68,992.67 : 103,415.33 = 39,346.67 : x - Step 2: Convert to fraction form
68,992.67/103,415.33 = 39,346.67/x - Step 3: Cross multiply
68,992.67x = 103,415.33 × 39,346.67 - Step 4: Simplify right side
68,992.67x = 4,069,048,665.72 - Step 5: Solve for x
x = 4,069,048,665.72/68,992.67 - Step 6: Final answer
x = 58,977.99
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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.