Finding the Fourth Proportional to 75,454.98, 113,010.14 and 36,039.98
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Solution
The fourth proportional to 75,454.98, 113,010.14 and 36,039.98 is: 53,977.66
Step by Step Solution
- Step 1: Write the proportion equation
75,454.98 : 113,010.14 = 36,039.98 : x - Step 2: Convert to fraction form
75,454.98/113,010.14 = 36,039.98/x - Step 3: Cross multiply
75,454.98x = 113,010.14 × 36,039.98 - Step 4: Simplify right side
75,454.98x = 4,072,883,185.40 - Step 5: Solve for x
x = 4,072,883,185.40/75,454.98 - Step 6: Final answer
x = 53,977.66
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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.