Finding the Fourth Proportional to 96,430.46, 133,073.94 and 53,989.02
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Solution
The fourth proportional to 96,430.46, 133,073.94 and 53,989.02 is: 74,504.79
Step by Step Solution
- Step 1: Write the proportion equation
96,430.46 : 133,073.94 = 53,989.02 : x - Step 2: Convert to fraction form
96,430.46/133,073.94 = 53,989.02/x - Step 3: Cross multiply
96,430.46x = 133,073.94 × 53,989.02 - Step 4: Simplify right side
96,430.46x = 7,184,531,608.14 - Step 5: Solve for x
x = 7,184,531,608.14/96,430.46 - Step 6: Final answer
x = 74,504.79
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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.