Finding the Fourth Proportional to 84,129.87, 126,219.41 and 24,967.08
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Solution
The fourth proportional to 84,129.87, 126,219.41 and 24,967.08 is: 37,457.92
Step by Step Solution
- Step 1: Write the proportion equation
84,129.87 : 126,219.41 = 24,967.08 : x - Step 2: Convert to fraction form
84,129.87/126,219.41 = 24,967.08/x - Step 3: Cross multiply
84,129.87x = 126,219.41 × 24,967.08 - Step 4: Simplify right side
84,129.87x = 3,151,329,650.60 - Step 5: Solve for x
x = 3,151,329,650.60/84,129.87 - Step 6: Final answer
x = 37,457.92
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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.