Finding the Fourth Proportional to 76,792.93, 115,189.70 and 29,396.99
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Solution
The fourth proportional to 76,792.93, 115,189.70 and 29,396.99 is: 44,095.61
Step by Step Solution
- Step 1: Write the proportion equation
76,792.93 : 115,189.70 = 29,396.99 : x - Step 2: Convert to fraction form
76,792.93/115,189.70 = 29,396.99/x - Step 3: Cross multiply
76,792.93x = 115,189.70 × 29,396.99 - Step 4: Simplify right side
76,792.93x = 3,386,230,599.99 - Step 5: Solve for x
x = 3,386,230,599.99/76,792.93 - Step 6: Final answer
x = 44,095.61
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1.5x scale
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.