Finding the Fourth Proportional to 97,356.90, 134,350.04 and 54,912.08
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Solution
The fourth proportional to 97,356.90, 134,350.04 and 54,912.08 is: 75,777.27
Step by Step Solution
- Step 1: Write the proportion equation
97,356.90 : 134,350.04 = 54,912.08 : x - Step 2: Convert to fraction form
97,356.90/134,350.04 = 54,912.08/x - Step 3: Cross multiply
97,356.90x = 134,350.04 × 54,912.08 - Step 4: Simplify right side
97,356.90x = 7,377,440,144.48 - Step 5: Solve for x
x = 7,377,440,144.48/97,356.90 - Step 6: Final answer
x = 75,777.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.