Finding the Fourth Proportional to 69,360.15, 103,968.95 and 29,883.99
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Solution
The fourth proportional to 69,360.15, 103,968.95 and 29,883.99 is: 44,795.27
Step by Step Solution
- Step 1: Write the proportion equation
69,360.15 : 103,968.95 = 29,883.99 : x - Step 2: Convert to fraction form
69,360.15/103,968.95 = 29,883.99/x - Step 3: Cross multiply
69,360.15x = 103,968.95 × 29,883.99 - Step 4: Simplify right side
69,360.15x = 3,107,006,912.69 - Step 5: Solve for x
x = 3,107,006,912.69/69,360.15 - Step 6: Final answer
x = 44,795.27
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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.