Finding the Fourth Proportional to 76,873.05, 115,274.95 and 32,476.95
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Solution
The fourth proportional to 76,873.05, 115,274.95 and 32,476.95 is: 48,700.80
Step by Step Solution
- Step 1: Write the proportion equation
76,873.05 : 115,274.95 = 32,476.95 : x - Step 2: Convert to fraction form
76,873.05/115,274.95 = 32,476.95/x - Step 3: Cross multiply
76,873.05x = 115,274.95 × 32,476.95 - Step 4: Simplify right side
76,873.05x = 3,743,778,706.21 - Step 5: Solve for x
x = 3,743,778,706.21/76,873.05 - Step 6: Final answer
x = 48,700.80
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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.