Finding the Fourth Proportional to 89,132.64, 133,608.99 and 55,876.07
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Solution
The fourth proportional to 89,132.64, 133,608.99 and 55,876.07 is: 83,757.69
Step by Step Solution
- Step 1: Write the proportion equation
89,132.64 : 133,608.99 = 55,876.07 : x - Step 2: Convert to fraction form
89,132.64/133,608.99 = 55,876.07/x - Step 3: Cross multiply
89,132.64x = 133,608.99 × 55,876.07 - Step 4: Simplify right side
89,132.64x = 7,465,544,330.44 - Step 5: Solve for x
x = 7,465,544,330.44/89,132.64 - Step 6: Final answer
x = 83,757.69
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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.