Finding the Fourth Proportional to 96,636.25, 133,359.12 and 53,616.53
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Solution
The fourth proportional to 96,636.25, 133,359.12 and 53,616.53 is: 73,991.42
Step by Step Solution
- Step 1: Write the proportion equation
96,636.25 : 133,359.12 = 53,616.53 : x - Step 2: Convert to fraction form
96,636.25/133,359.12 = 53,616.53/x - Step 3: Cross multiply
96,636.25x = 133,359.12 × 53,616.53 - Step 4: Simplify right side
96,636.25x = 7,150,253,258.25 - Step 5: Solve for x
x = 7,150,253,258.25/96,636.25 - Step 6: Final answer
x = 73,991.42
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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.