Finding the Fourth Proportional to 80,256.07, 110,716.63 and 51,970.87
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Solution
The fourth proportional to 80,256.07, 110,716.63 and 51,970.87 is: 71,696.00
Step by Step Solution
- Step 1: Write the proportion equation
80,256.07 : 110,716.63 = 51,970.87 : x - Step 2: Convert to fraction form
80,256.07/110,716.63 = 51,970.87/x - Step 3: Cross multiply
80,256.07x = 110,716.63 × 51,970.87 - Step 4: Simplify right side
80,256.07x = 5,754,039,584.57 - Step 5: Solve for x
x = 5,754,039,584.57/80,256.07 - Step 6: Final answer
x = 71,696.00
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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.