Finding the Fourth Proportional to 96,930.68, 145,445.22 and 57,006.99
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Solution
The fourth proportional to 96,930.68, 145,445.22 and 57,006.99 is: 85,539.42
Step by Step Solution
- Step 1: Write the proportion equation
96,930.68 : 145,445.22 = 57,006.99 : x - Step 2: Convert to fraction form
96,930.68/145,445.22 = 57,006.99/x - Step 3: Cross multiply
96,930.68x = 145,445.22 × 57,006.99 - Step 4: Simplify right side
96,930.68x = 8,291,394,202.09 - Step 5: Solve for x
x = 8,291,394,202.09/96,930.68 - Step 6: Final answer
x = 85,539.42
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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.