Finding the Fourth Proportional to 117,674.94, 162,392.51 and 63,960.09
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Solution
The fourth proportional to 117,674.94, 162,392.51 and 63,960.09 is: 88,265.52
Step by Step Solution
- Step 1: Write the proportion equation
117,674.94 : 162,392.51 = 63,960.09 : x - Step 2: Convert to fraction form
117,674.94/162,392.51 = 63,960.09/x - Step 3: Cross multiply
117,674.94x = 162,392.51 × 63,960.09 - Step 4: Simplify right side
117,674.94x = 10,386,639,554.93 - Step 5: Solve for x
x = 10,386,639,554.93/117,674.94 - Step 6: Final answer
x = 88,265.52
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1.5x scale
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.