Finding the Fourth Proportional to 76,698.95, 114,832.14 and 40,593.62
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Solution
The fourth proportional to 76,698.95, 114,832.14 and 40,593.62 is: 60,775.96
Step by Step Solution
- Step 1: Write the proportion equation
76,698.95 : 114,832.14 = 40,593.62 : x - Step 2: Convert to fraction form
76,698.95/114,832.14 = 40,593.62/x - Step 3: Cross multiply
76,698.95x = 114,832.14 × 40,593.62 - Step 4: Simplify right side
76,698.95x = 4,661,452,254.95 - Step 5: Solve for x
x = 4,661,452,254.95/76,698.95 - Step 6: Final answer
x = 60,775.96
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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.