Finding the Fourth Proportional to 96,021.40, 132,509.62 and 53,579.96
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Solution
The fourth proportional to 96,021.40, 132,509.62 and 53,579.96 is: 73,940.39
Step by Step Solution
- Step 1: Write the proportion equation
96,021.40 : 132,509.62 = 53,579.96 : x - Step 2: Convert to fraction form
96,021.40/132,509.62 = 53,579.96/x - Step 3: Cross multiply
96,021.40x = 132,509.62 × 53,579.96 - Step 4: Simplify right side
96,021.40x = 7,099,860,139.22 - Step 5: Solve for x
x = 7,099,860,139.22/96,021.40 - Step 6: Final answer
x = 73,940.39
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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.