Finding the Fourth Proportional to 69,729.48, 104,482.98 and 36,400.68
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Solution
The fourth proportional to 69,729.48, 104,482.98 and 36,400.68 is: 54,542.95
Step by Step Solution
- Step 1: Write the proportion equation
69,729.48 : 104,482.98 = 36,400.68 : x - Step 2: Convert to fraction form
69,729.48/104,482.98 = 36,400.68/x - Step 3: Cross multiply
69,729.48x = 104,482.98 × 36,400.68 - Step 4: Simplify right side
69,729.48x = 3,803,251,520.43 - Step 5: Solve for x
x = 3,803,251,520.43/69,729.48 - Step 6: Final answer
x = 54,542.95
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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.