Finding the Fourth Proportional to 92,708.19, 127,936.40 and 50,265.99
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Solution
The fourth proportional to 92,708.19, 127,936.40 and 50,265.99 is: 69,366.57
Step by Step Solution
- Step 1: Write the proportion equation
92,708.19 : 127,936.40 = 50,265.99 : x - Step 2: Convert to fraction form
92,708.19/127,936.40 = 50,265.99/x - Step 3: Cross multiply
92,708.19x = 127,936.40 × 50,265.99 - Step 4: Simplify right side
92,708.19x = 6,430,849,551.71 - Step 5: Solve for x
x = 6,430,849,551.71/92,708.19 - Step 6: Final answer
x = 69,366.57
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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.