Finding the Fourth Proportional to 74,350.18, 102,600.48 and 40,357.94
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Solution
The fourth proportional to 74,350.18, 102,600.48 and 40,357.94 is: 55,692.45
Step by Step Solution
- Step 1: Write the proportion equation
74,350.18 : 102,600.48 = 40,357.94 : x - Step 2: Convert to fraction form
74,350.18/102,600.48 = 40,357.94/x - Step 3: Cross multiply
74,350.18x = 102,600.48 × 40,357.94 - Step 4: Simplify right side
74,350.18x = 4,140,744,015.81 - Step 5: Solve for x
x = 4,140,744,015.81/74,350.18 - Step 6: Final answer
x = 55,692.45
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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.