Finding the Fourth Proportional to 99,740.68, 137,692.02 and 62,027.08
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Solution
The fourth proportional to 99,740.68, 137,692.02 and 62,027.08 is: 85,628.39
Step by Step Solution
- Step 1: Write the proportion equation
99,740.68 : 137,692.02 = 62,027.08 : x - Step 2: Convert to fraction form
99,740.68/137,692.02 = 62,027.08/x - Step 3: Cross multiply
99,740.68x = 137,692.02 × 62,027.08 - Step 4: Simplify right side
99,740.68x = 8,540,633,939.90 - Step 5: Solve for x
x = 8,540,633,939.90/99,740.68 - Step 6: Final answer
x = 85,628.39
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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.