Finding the Fourth Proportional to 84,640.14, 116,798.90 and 48,828.02
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Solution
The fourth proportional to 84,640.14, 116,798.90 and 48,828.02 is: 67,380.07
Step by Step Solution
- Step 1: Write the proportion equation
84,640.14 : 116,798.90 = 48,828.02 : x - Step 2: Convert to fraction form
84,640.14/116,798.90 = 48,828.02/x - Step 3: Cross multiply
84,640.14x = 116,798.90 × 48,828.02 - Step 4: Simplify right side
84,640.14x = 5,703,058,197.04 - Step 5: Solve for x
x = 5,703,058,197.04/84,640.14 - Step 6: Final answer
x = 67,380.07
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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.