Finding the Fourth Proportional to 73,775.53, 110,695.74 and 38,706.94
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Solution
The fourth proportional to 73,775.53, 110,695.74 and 38,706.94 is: 58,077.43
Step by Step Solution
- Step 1: Write the proportion equation
73,775.53 : 110,695.74 = 38,706.94 : x - Step 2: Convert to fraction form
73,775.53/110,695.74 = 38,706.94/x - Step 3: Cross multiply
73,775.53x = 110,695.74 × 38,706.94 - Step 4: Simplify right side
73,775.53x = 4,284,693,366.44 - Step 5: Solve for x
x = 4,284,693,366.44/73,775.53 - Step 6: Final answer
x = 58,077.43
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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.