Finding the Fourth Proportional to 84,391.42, 116,489.48 and 48,595.70
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Solution
The fourth proportional to 84,391.42, 116,489.48 and 48,595.70 is: 67,078.95
Step by Step Solution
- Step 1: Write the proportion equation
84,391.42 : 116,489.48 = 48,595.70 : x - Step 2: Convert to fraction form
84,391.42/116,489.48 = 48,595.70/x - Step 3: Cross multiply
84,391.42x = 116,489.48 × 48,595.70 - Step 4: Simplify right side
84,391.42x = 5,660,887,240.79 - Step 5: Solve for x
x = 5,660,887,240.79/84,391.42 - Step 6: Final answer
x = 67,078.95
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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.