Finding the Fourth Proportional to 84,535.14, 116,632.08 and 48,720.30
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Solution
The fourth proportional to 84,535.14, 116,632.08 and 48,720.30 is: 67,218.79
Step by Step Solution
- Step 1: Write the proportion equation
84,535.14 : 116,632.08 = 48,720.30 : x - Step 2: Convert to fraction form
84,535.14/116,632.08 = 48,720.30/x - Step 3: Cross multiply
84,535.14x = 116,632.08 × 48,720.30 - Step 4: Simplify right side
84,535.14x = 5,682,349,927.22 - Step 5: Solve for x
x = 5,682,349,927.22/84,535.14 - Step 6: Final answer
x = 67,218.79
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1.5x scale
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.