Finding the Fourth Proportional to 96,331.13, 132,937.33 and 53,889.69
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Solution
The fourth proportional to 96,331.13, 132,937.33 and 53,889.69 is: 74,367.98
Step by Step Solution
- Step 1: Write the proportion equation
96,331.13 : 132,937.33 = 53,889.69 : x - Step 2: Convert to fraction form
96,331.13/132,937.33 = 53,889.69/x - Step 3: Cross multiply
96,331.13x = 132,937.33 × 53,889.69 - Step 4: Simplify right side
96,331.13x = 7,163,951,503.13 - Step 5: Solve for x
x = 7,163,951,503.13/96,331.13 - Step 6: Final answer
x = 74,367.98
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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.