Finding the Fourth Proportional to 79,662.09, 119,566.98 and 40,246.95
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Solution
The fourth proportional to 79,662.09, 119,566.98 and 40,246.95 is: 60,407.73
Step by Step Solution
- Step 1: Write the proportion equation
79,662.09 : 119,566.98 = 40,246.95 : x - Step 2: Convert to fraction form
79,662.09/119,566.98 = 40,246.95/x - Step 3: Cross multiply
79,662.09x = 119,566.98 × 40,246.95 - Step 4: Simplify right side
79,662.09x = 4,812,206,265.71 - Step 5: Solve for x
x = 4,812,206,265.71/79,662.09 - Step 6: Final answer
x = 60,407.73
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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.