Finding the Fourth Proportional to 96,801.19, 145,201.38 and 37,678.09
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Solution
The fourth proportional to 96,801.19, 145,201.38 and 37,678.09 is: 56,516.98
Step by Step Solution
- Step 1: Write the proportion equation
96,801.19 : 145,201.38 = 37,678.09 : x - Step 2: Convert to fraction form
96,801.19/145,201.38 = 37,678.09/x - Step 3: Cross multiply
96,801.19x = 145,201.38 × 37,678.09 - Step 4: Simplify right side
96,801.19x = 5,470,910,663.76 - Step 5: Solve for x
x = 5,470,910,663.76/96,801.19 - Step 6: Final answer
x = 56,516.98
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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.