Finding the Fourth Proportional to 79,847.30, 119,566.42 and 77,482.31
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Solution
The fourth proportional to 79,847.30, 119,566.42 and 77,482.31 is: 116,024.98
Step by Step Solution
- Step 1: Write the proportion equation
79,847.30 : 119,566.42 = 77,482.31 : x - Step 2: Convert to fraction form
79,847.30/119,566.42 = 77,482.31/x - Step 3: Cross multiply
79,847.30x = 119,566.42 × 77,482.31 - Step 4: Simplify right side
79,847.30x = 9,264,281,628.49 - Step 5: Solve for x
x = 9,264,281,628.49/79,847.30 - Step 6: Final answer
x = 116,024.98
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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.