Finding the Fourth Proportional to 91,952.19, 126,863.49 and 51,660.36
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Solution
The fourth proportional to 91,952.19, 126,863.49 and 51,660.36 is: 71,274.14
Step by Step Solution
- Step 1: Write the proportion equation
91,952.19 : 126,863.49 = 51,660.36 : x - Step 2: Convert to fraction form
91,952.19/126,863.49 = 51,660.36/x - Step 3: Cross multiply
91,952.19x = 126,863.49 × 51,660.36 - Step 4: Simplify right side
91,952.19x = 6,553,813,564.26 - Step 5: Solve for x
x = 6,553,813,564.26/91,952.19 - Step 6: Final answer
x = 71,274.14
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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.