Finding the Fourth Proportional to 79,740.09, 119,684.25 and 40,325.49
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Solution
The fourth proportional to 79,740.09, 119,684.25 and 40,325.49 is: 60,525.72
Step by Step Solution
- Step 1: Write the proportion equation
79,740.09 : 119,684.25 = 40,325.49 : x - Step 2: Convert to fraction form
79,740.09/119,684.25 = 40,325.49/x - Step 3: Cross multiply
79,740.09x = 119,684.25 × 40,325.49 - Step 4: Simplify right side
79,740.09x = 4,826,326,026.53 - Step 5: Solve for x
x = 4,826,326,026.53/79,740.09 - Step 6: Final answer
x = 60,525.72
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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.