Finding the Fourth Proportional to 77,546.24, 106,985.80 and 43,992.80
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Solution
The fourth proportional to 77,546.24, 106,985.80 and 43,992.80 is: 60,694.17
Step by Step Solution
- Step 1: Write the proportion equation
77,546.24 : 106,985.80 = 43,992.80 : x - Step 2: Convert to fraction form
77,546.24/106,985.80 = 43,992.80/x - Step 3: Cross multiply
77,546.24x = 106,985.80 × 43,992.80 - Step 4: Simplify right side
77,546.24x = 4,706,604,902.24 - Step 5: Solve for x
x = 4,706,604,902.24/77,546.24 - Step 6: Final answer
x = 60,694.17
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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.