Finding the Fourth Proportional to 68,155.18, 102,276.50 and 33,075.70
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Solution
The fourth proportional to 68,155.18, 102,276.50 and 33,075.70 is: 49,634.77
Step by Step Solution
- Step 1: Write the proportion equation
68,155.18 : 102,276.50 = 33,075.70 : x - Step 2: Convert to fraction form
68,155.18/102,276.50 = 33,075.70/x - Step 3: Cross multiply
68,155.18x = 102,276.50 × 33,075.70 - Step 4: Simplify right side
68,155.18x = 3,382,866,831.05 - Step 5: Solve for x
x = 3,382,866,831.05/68,155.18 - Step 6: Final answer
x = 49,634.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.