Finding the Fourth Proportional to 79,744.08, 119,690.24 and 40,329.48
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Solution
The fourth proportional to 79,744.08, 119,690.24 and 40,329.48 is: 60,531.71
Step by Step Solution
- Step 1: Write the proportion equation
79,744.08 : 119,690.24 = 40,329.48 : x - Step 2: Convert to fraction form
79,744.08/119,690.24 = 40,329.48/x - Step 3: Cross multiply
79,744.08x = 119,690.24 × 40,329.48 - Step 4: Simplify right side
79,744.08x = 4,827,045,140.28 - Step 5: Solve for x
x = 4,827,045,140.28/79,744.08 - Step 6: Final answer
x = 60,531.71
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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.