Finding the Fourth Proportional to 84,045.20, 115,994.04 and 48,246.44
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Solution
The fourth proportional to 84,045.20, 115,994.04 and 48,246.44 is: 66,586.78
Step by Step Solution
- Step 1: Write the proportion equation
84,045.20 : 115,994.04 = 48,246.44 : x - Step 2: Convert to fraction form
84,045.20/115,994.04 = 48,246.44/x - Step 3: Cross multiply
84,045.20x = 115,994.04 × 48,246.44 - Step 4: Simplify right side
84,045.20x = 5,596,299,491.22 - Step 5: Solve for x
x = 5,596,299,491.22/84,045.20 - Step 6: Final answer
x = 66,586.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.