Finding the Fourth Proportional to 84,642.14, 116,801.66 and 48,830.02
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Solution
The fourth proportional to 84,642.14, 116,801.66 and 48,830.02 is: 67,382.84
Step by Step Solution
- Step 1: Write the proportion equation
84,642.14 : 116,801.66 = 48,830.02 : x - Step 2: Convert to fraction form
84,642.14/116,801.66 = 48,830.02/x - Step 3: Cross multiply
84,642.14x = 116,801.66 × 48,830.02 - Step 4: Simplify right side
84,642.14x = 5,703,427,393.83 - Step 5: Solve for x
x = 5,703,427,393.83/84,642.14 - Step 6: Final answer
x = 67,382.84
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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.