Finding the Fourth Proportional to 77,552.84, 107,015.36 and 43,553.58
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Solution
The fourth proportional to 77,552.84, 107,015.36 and 43,553.58 is: 60,099.70
Step by Step Solution
- Step 1: Write the proportion equation
77,552.84 : 107,015.36 = 43,553.58 : x - Step 2: Convert to fraction form
77,552.84/107,015.36 = 43,553.58/x - Step 3: Cross multiply
77,552.84x = 107,015.36 × 43,553.58 - Step 4: Simplify right side
77,552.84x = 4,660,901,825.22 - Step 5: Solve for x
x = 4,660,901,825.22/77,552.84 - Step 6: Final answer
x = 60,099.70
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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.