Finding the Fourth Proportional to 75,793.93, 113,723.71 and 40,692.58
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Solution
The fourth proportional to 75,793.93, 113,723.71 and 40,692.58 is: 61,056.49
Step by Step Solution
- Step 1: Write the proportion equation
75,793.93 : 113,723.71 = 40,692.58 : x - Step 2: Convert to fraction form
75,793.93/113,723.71 = 40,692.58/x - Step 3: Cross multiply
75,793.93x = 113,723.71 × 40,692.58 - Step 4: Simplify right side
75,793.93x = 4,627,711,167.07 - Step 5: Solve for x
x = 4,627,711,167.07/75,793.93 - Step 6: Final answer
x = 61,056.49
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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.