Finding the Fourth Proportional to 77,594.05, 107,076.84 and 43,603.97
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Solution
The fourth proportional to 77,594.05, 107,076.84 and 43,603.97 is: 60,171.82
Step by Step Solution
- Step 1: Write the proportion equation
77,594.05 : 107,076.84 = 43,603.97 : x - Step 2: Convert to fraction form
77,594.05/107,076.84 = 43,603.97/x - Step 3: Cross multiply
77,594.05x = 107,076.84 × 43,603.97 - Step 4: Simplify right side
77,594.05x = 4,668,975,222.46 - Step 5: Solve for x
x = 4,668,975,222.46/77,594.05 - Step 6: Final answer
x = 60,171.82
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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.