Finding the Fourth Proportional to 77,351.76, 106,696.44 and 68,253.84
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Solution
The fourth proportional to 77,351.76, 106,696.44 and 68,253.84 is: 94,147.07
Step by Step Solution
- Step 1: Write the proportion equation
77,351.76 : 106,696.44 = 68,253.84 : x - Step 2: Convert to fraction form
77,351.76/106,696.44 = 68,253.84/x - Step 3: Cross multiply
77,351.76x = 106,696.44 × 68,253.84 - Step 4: Simplify right side
77,351.76x = 7,282,441,744.33 - Step 5: Solve for x
x = 7,282,441,744.33/77,351.76 - Step 6: Final answer
x = 94,147.07
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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.