Finding the Fourth Proportional to 76,053.08, 113,984.58 and 36,599.60
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Solution
The fourth proportional to 76,053.08, 113,984.58 and 36,599.60 is: 54,853.66
Step by Step Solution
- Step 1: Write the proportion equation
76,053.08 : 113,984.58 = 36,599.60 : x - Step 2: Convert to fraction form
76,053.08/113,984.58 = 36,599.60/x - Step 3: Cross multiply
76,053.08x = 113,984.58 × 36,599.60 - Step 4: Simplify right side
76,053.08x = 4,171,790,034.17 - Step 5: Solve for x
x = 4,171,790,034.17/76,053.08 - Step 6: Final answer
x = 54,853.66
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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.