Finding the Fourth Proportional to 74,348.37, 102,600.84 and 40,356.83
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Solution
The fourth proportional to 74,348.37, 102,600.84 and 40,356.83 is: 55,692.48
Step by Step Solution
- Step 1: Write the proportion equation
74,348.37 : 102,600.84 = 40,356.83 : x - Step 2: Convert to fraction form
74,348.37/102,600.84 = 40,356.83/x - Step 3: Cross multiply
74,348.37x = 102,600.84 × 40,356.83 - Step 4: Simplify right side
74,348.37x = 4,140,644,758.63 - Step 5: Solve for x
x = 4,140,644,758.63/74,348.37 - Step 6: Final answer
x = 55,692.48
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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.