Finding the Fourth Proportional to 99,924.36, 149,812.42 and 60,472.09
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Solution
The fourth proportional to 99,924.36, 149,812.42 and 60,472.09 is: 90,663.28
Step by Step Solution
- Step 1: Write the proportion equation
99,924.36 : 149,812.42 = 60,472.09 : x - Step 2: Convert to fraction form
99,924.36/149,812.42 = 60,472.09/x - Step 3: Cross multiply
99,924.36x = 149,812.42 × 60,472.09 - Step 4: Simplify right side
99,924.36x = 9,059,470,145.36 - Step 5: Solve for x
x = 9,059,470,145.36/99,924.36 - Step 6: Final answer
x = 90,663.28
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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.