Finding the Fourth Proportional to 96,903.91, 133,724.28 and 53,883.19
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Solution
The fourth proportional to 96,903.91, 133,724.28 and 53,883.19 is: 74,357.07
Step by Step Solution
- Step 1: Write the proportion equation
96,903.91 : 133,724.28 = 53,883.19 : x - Step 2: Convert to fraction form
96,903.91/133,724.28 = 53,883.19/x - Step 3: Cross multiply
96,903.91x = 133,724.28 × 53,883.19 - Step 4: Simplify right side
96,903.91x = 7,205,490,786.85 - Step 5: Solve for x
x = 7,205,490,786.85/96,903.91 - Step 6: Final answer
x = 74,357.07
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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.