Finding the Fourth Proportional to 96,830.13, 133,629.03 and 54,387.75
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Solution
The fourth proportional to 96,830.13, 133,629.03 and 54,387.75 is: 75,057.03
Step by Step Solution
- Step 1: Write the proportion equation
96,830.13 : 133,629.03 = 54,387.75 : x - Step 2: Convert to fraction form
96,830.13/133,629.03 = 54,387.75/x - Step 3: Cross multiply
96,830.13x = 133,629.03 × 54,387.75 - Step 4: Simplify right side
96,830.13x = 7,267,782,276.38 - Step 5: Solve for x
x = 7,267,782,276.38/96,830.13 - Step 6: Final answer
x = 75,057.03
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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.