Finding the Fourth Proportional to 74,599.94, 102,944.70 and 40,608.48
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Solution
The fourth proportional to 74,599.94, 102,944.70 and 40,608.48 is: 56,037.95
Step by Step Solution
- Step 1: Write the proportion equation
74,599.94 : 102,944.70 = 40,608.48 : x - Step 2: Convert to fraction form
74,599.94/102,944.70 = 40,608.48/x - Step 3: Cross multiply
74,599.94x = 102,944.70 × 40,608.48 - Step 4: Simplify right side
74,599.94x = 4,180,427,791.06 - Step 5: Solve for x
x = 4,180,427,791.06/74,599.94 - Step 6: Final answer
x = 56,037.95
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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.