Finding the Fourth Proportional to 76,817.79, 115,226.69 and 24,231.38
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Solution
The fourth proportional to 76,817.79, 115,226.69 and 24,231.38 is: 36,347.06
Step by Step Solution
- Step 1: Write the proportion equation
76,817.79 : 115,226.69 = 24,231.38 : x - Step 2: Convert to fraction form
76,817.79/115,226.69 = 24,231.38/x - Step 3: Cross multiply
76,817.79x = 115,226.69 × 24,231.38 - Step 4: Simplify right side
76,817.79x = 2,792,101,014.24 - Step 5: Solve for x
x = 2,792,101,014.24/76,817.79 - Step 6: Final answer
x = 36,347.06
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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.